diff --git a/app/src/main/res/layout/dialog_ask_again.xml b/app/src/main/res/layout/dialog_ask_again.xml
index 3fa2a75580..cedd00c5f2 100644
--- a/app/src/main/res/layout/dialog_ask_again.xml
+++ b/app/src/main/res/layout/dialog_ask_again.xml
@@ -24,7 +24,6 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginTop="12dp"
-            android:inputType="textUri|textMultiLine"
             android:text="@string/title_no_ask_again"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/dialog_keyword.xml b/app/src/main/res/layout/dialog_keyword.xml
index 0fdd36b148..c74d6d21cd 100644
--- a/app/src/main/res/layout/dialog_keyword.xml
+++ b/app/src/main/res/layout/dialog_keyword.xml
@@ -9,6 +9,7 @@
         android:id="@+id/tvKeyword"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:labelFor="@+id/etKeyword"
         android:text="@string/title_add_keyword"
         android:textAppearance="@style/TextAppearance.AppCompat.Large"
         app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/dialog_link.xml b/app/src/main/res/layout/dialog_link.xml
index c84b360433..464cad3467 100644
--- a/app/src/main/res/layout/dialog_link.xml
+++ b/app/src/main/res/layout/dialog_link.xml
@@ -9,6 +9,7 @@
         android:id="@+id/tvOpenLink"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:labelFor="@+id/etLink"
         android:text="@string/title_open_link"
         android:textAppearance="@style/TextAppearance.AppCompat.Medium"
         android:textColor="?android:attr/textColorPrimary"
diff --git a/app/src/main/res/layout/dialog_theme.xml b/app/src/main/res/layout/dialog_theme.xml
index 189f39a80a..023991ecaf 100644
--- a/app/src/main/res/layout/dialog_theme.xml
+++ b/app/src/main/res/layout/dialog_theme.xml
@@ -5,7 +5,7 @@
     android:layout_height="wrap_content"
     android:padding="12dp">
 
-    <RadioGroup xmlns:android="http://schemas.android.com/apk/res/android"
+    <RadioGroup
         android:id="@+id/rgTheme"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
diff --git a/app/src/main/res/layout/fragment_account.xml b/app/src/main/res/layout/fragment_account.xml
index af9c8d55b9..a7cee64219 100644
--- a/app/src/main/res/layout/fragment_account.xml
+++ b/app/src/main/res/layout/fragment_account.xml
@@ -197,6 +197,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="12dp"
+            android:labelFor="@+id/etUser"
             android:text="@string/title_user"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             app:layout_constraintStart_toStartOf="parent"
@@ -321,6 +322,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginStart="12dp"
+            android:contentDescription="@string/title_legend_default_color"
             android:src="@drawable/baseline_delete_24"
             app:layout_constraintBottom_toBottomOf="@id/btnColor"
             app:layout_constraintStart_toEndOf="@id/vwColor"
diff --git a/app/src/main/res/layout/fragment_compose.xml b/app/src/main/res/layout/fragment_compose.xml
index b555f9d719..3311409c54 100644
--- a/app/src/main/res/layout/fragment_compose.xml
+++ b/app/src/main/res/layout/fragment_compose.xml
@@ -11,7 +11,7 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent">
 
-        <androidx.constraintlayout.widget.ConstraintLayout xmlns:app="http://schemas.android.com/apk/res-auto"
+        <androidx.constraintlayout.widget.ConstraintLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content">
 
@@ -30,7 +30,7 @@
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
                 android:layout_marginStart="6dp"
-                android:hint="name"
+                android:hint="user"
                 android:inputType="text"
                 android:textAppearance="@style/TextAppearance.AppCompat.Medium"
                 app:layout_constraintEnd_toStartOf="@+id/tvDomain"
@@ -68,6 +68,7 @@
                 android:layout_height="24dp"
                 android:layout_marginStart="6dp"
                 android:layout_marginEnd="6dp"
+                android:contentDescription="@string/title_legend_pick"
                 android:src="@drawable/baseline_person_24"
                 app:layout_constraintBottom_toBottomOf="@id/etTo"
                 app:layout_constraintEnd_toEndOf="parent"
@@ -93,6 +94,7 @@
                 android:layout_height="24dp"
                 android:layout_marginStart="6dp"
                 android:layout_marginEnd="6dp"
+                android:contentDescription="@string/title_legend_pick"
                 android:src="@drawable/baseline_person_24"
                 app:layout_constraintBottom_toBottomOf="@id/etCc"
                 app:layout_constraintEnd_toEndOf="parent"
@@ -118,6 +120,7 @@
                 android:layout_height="24dp"
                 android:layout_marginStart="6dp"
                 android:layout_marginEnd="6dp"
+                android:contentDescription="@string/title_legend_pick"
                 android:src="@drawable/baseline_person_24"
                 app:layout_constraintBottom_toBottomOf="@id/etBcc"
                 app:layout_constraintEnd_toEndOf="parent"
@@ -254,6 +257,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginEnd="6dp"
+                android:contentDescription="@string/title_legend_edit"
                 android:src="@drawable/baseline_edit_24"
                 app:layout_constraintEnd_toStartOf="@+id/ibReferenceImages"
                 app:layout_constraintTop_toTopOf="@id/tvReference" />
@@ -263,6 +267,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginEnd="6dp"
+                android:contentDescription="@string/title_legend_show_images"
                 android:src="@drawable/baseline_image_24"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toTopOf="@id/tvReference" />
diff --git a/app/src/main/res/layout/fragment_folders.xml b/app/src/main/res/layout/fragment_folders.xml
index fba58e6173..083e181b50 100644
--- a/app/src/main/res/layout/fragment_folders.xml
+++ b/app/src/main/res/layout/fragment_folders.xml
@@ -35,6 +35,7 @@
                 android:id="@+id/ibHintActions"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:contentDescription="@string/title_legend_close_hint"
                 android:src="@drawable/baseline_close_24"
                 app:layout_constraintBottom_toBottomOf="@id/tvHintActions"
                 app:layout_constraintEnd_toEndOf="parent"
@@ -69,6 +70,7 @@
                 android:id="@+id/ibHintSync"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:contentDescription="@string/title_legend_close_hint"
                 android:src="@drawable/baseline_close_24"
                 app:layout_constraintBottom_toBottomOf="@id/tvHintSync"
                 app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/fragment_identity.xml b/app/src/main/res/layout/fragment_identity.xml
index 6872408503..bebd03f235 100644
--- a/app/src/main/res/layout/fragment_identity.xml
+++ b/app/src/main/res/layout/fragment_identity.xml
@@ -37,6 +37,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="12dp"
+            android:labelFor="@+id/etName"
             android:text="@string/title_identity_name"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             app:layout_constraintStart_toStartOf="parent"
@@ -59,6 +60,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="12dp"
+            android:labelFor="@+id/etEmail"
             android:text="@string/title_identity_email"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             app:layout_constraintStart_toStartOf="parent"
@@ -125,6 +127,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginStart="12dp"
+            android:contentDescription="@string/title_legend_default_color"
             android:src="@drawable/baseline_delete_24"
             app:layout_constraintBottom_toBottomOf="@id/btnColor"
             app:layout_constraintStart_toEndOf="@id/vwColor"
@@ -337,6 +340,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="12dp"
+            android:labelFor="@+id/etUser"
             android:text="@string/title_user"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/layout/fragment_legend.xml b/app/src/main/res/layout/fragment_legend.xml
index 5c21b7bf9e..869920f00a 100644
--- a/app/src/main/res/layout/fragment_legend.xml
+++ b/app/src/main/res/layout/fragment_legend.xml
@@ -13,6 +13,7 @@
             android:id="@+id/ivInbox"
             android:layout_width="24dp"
             android:layout_height="24dp"
+            android:contentDescription="@string/title_legend_inbox"
             android:src="@drawable/baseline_move_to_inbox_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
@@ -34,6 +35,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_archive"
             android:src="@drawable/baseline_archive_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivInbox" />
@@ -55,6 +57,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="18dp"
+            android:contentDescription="@string/title_legend_trash"
             android:src="@drawable/baseline_delete_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivArchive" />
@@ -76,6 +79,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="18dp"
+            android:contentDescription="@string/title_legend_junk"
             android:src="@drawable/baseline_flag_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivTrash" />
@@ -97,6 +101,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_notify"
             android:src="@drawable/baseline_notifications_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivJunk" />
@@ -118,6 +123,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_unified"
             android:src="@drawable/baseline_folder_special_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivNotify" />
@@ -139,6 +145,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_primary_disconnected"
             android:src="@drawable/baseline_folder_open_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivUnified" />
@@ -160,6 +167,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_primary_connected"
             android:src="@drawable/baseline_folder_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivPrimaryDisconnected" />
@@ -190,6 +198,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_thread"
             android:src="@drawable/baseline_message_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/vSeparatorFolder" />
@@ -211,6 +220,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_zoom"
             android:src="@drawable/baseline_format_size_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivThread" />
@@ -232,6 +242,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_draft"
             android:src="@drawable/baseline_edit_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivZoom" />
@@ -253,6 +264,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_snoozed"
             android:src="@drawable/baseline_timelapse_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivDraft" />
@@ -274,6 +286,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_browsed"
             android:src="@drawable/baseline_playlist_add_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivSnoozed" />
@@ -295,6 +308,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_answered"
             android:src="@drawable/baseline_reply_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivBrowsed" />
@@ -316,6 +330,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_receipt"
             android:src="@drawable/baseline_playlist_add_check_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivAnswered" />
@@ -337,6 +352,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_attachment"
             android:src="@drawable/baseline_attachment_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivReceipt" />
@@ -358,6 +374,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_flagged"
             android:src="@drawable/baseline_star_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tvAttachment" />
@@ -379,6 +396,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_contacts"
             android:src="@drawable/baseline_import_contacts_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivStarred" />
@@ -400,6 +418,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_view"
             android:src="@drawable/baseline_visibility_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivContacts" />
@@ -421,6 +440,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_hide"
             android:src="@drawable/baseline_visibility_off_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivView" />
@@ -442,6 +462,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_download"
             android:src="@drawable/baseline_cloud_download_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivHide" />
@@ -463,6 +484,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_external_image"
             android:src="@drawable/baseline_image_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivDownload" />
@@ -484,6 +506,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_embedded_image"
             android:src="@drawable/baseline_photo_library_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivExternalImage" />
@@ -505,6 +528,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_broken_image"
             android:src="@drawable/baseline_broken_image_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivEmbeddedImage" />
@@ -535,6 +559,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_cc"
             android:src="@drawable/baseline_people_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/vSeparatorMessage" />
@@ -556,6 +581,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_pick"
             android:src="@drawable/baseline_person_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivCC" />
@@ -577,6 +603,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_bold"
             android:src="@drawable/baseline_format_bold_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivPick" />
@@ -598,6 +625,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_italic"
             android:src="@drawable/baseline_format_italic_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivBold" />
@@ -619,6 +647,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_link"
             android:src="@drawable/baseline_insert_link_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivItalic" />
@@ -640,6 +669,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_picture"
             android:src="@drawable/baseline_image_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivLink" />
@@ -661,6 +691,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_file"
             android:src="@drawable/baseline_attachment_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivPicture" />
@@ -691,6 +722,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_download_off"
             android:src="@drawable/baseline_mail_outline_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/vSeparatorCompose" />
@@ -712,6 +744,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_download_on"
             android:src="@drawable/baseline_mail_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivDownloadOff" />
@@ -733,6 +766,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_synchronize_on"
             android:src="@drawable/baseline_sync_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivDownloadOn" />
@@ -754,6 +788,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_synchronize_off"
             android:src="@drawable/baseline_sync_disabled_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivSynchronize" />
@@ -775,6 +810,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_primary"
             android:src="@drawable/baseline_star_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivSynchronizeOff" />
@@ -796,6 +832,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_disconnected"
             android:src="@drawable/baseline_cloud_off_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivPrimary" />
@@ -817,6 +854,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_connecting"
             android:src="@drawable/baseline_cloud_queue_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivDisconnected" />
@@ -838,6 +876,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_connected"
             android:src="@drawable/baseline_cloud_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivConnecting" />
@@ -859,6 +898,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_synchronizing"
             android:src="@drawable/baseline_compare_arrows_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivConnected" />
@@ -880,6 +920,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_downloading"
             android:src="@drawable/baseline_cloud_download_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivSynchronizing" />
@@ -901,6 +942,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_closing"
             android:src="@drawable/baseline_close_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivDownloading" />
@@ -922,6 +964,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_waiting"
             android:src="@drawable/baseline_hourglass_empty_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/ivClosing" />
@@ -952,6 +995,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="24dp"
+            android:contentDescription="@string/title_legend_stop"
             android:src="@drawable/baseline_stop_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/vSeparatorSync" />
@@ -994,6 +1038,7 @@
             android:layout_width="24dp"
             android:layout_height="0dp"
             android:layout_marginStart="12dp"
+            android:contentDescription="@string/title_legend_download_fetch"
             android:src="@drawable/baseline_mail_outline_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvDownloadFetch"
             app:layout_constraintStart_toEndOf="@id/tvDownloadFetch"
@@ -1034,6 +1079,7 @@
             android:layout_width="24dp"
             android:layout_height="0dp"
             android:layout_marginStart="12dp"
+            android:contentDescription="@string/title_legend_sync_keep"
             android:src="@drawable/baseline_sync_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvSyncKeepLegend"
             app:layout_constraintStart_toEndOf="@id/tvSyncKeep"
diff --git a/app/src/main/res/layout/fragment_messages.xml b/app/src/main/res/layout/fragment_messages.xml
index 337ff82fd6..ed099fe1a4 100644
--- a/app/src/main/res/layout/fragment_messages.xml
+++ b/app/src/main/res/layout/fragment_messages.xml
@@ -54,6 +54,7 @@
                 android:id="@+id/ibHintSupport"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:contentDescription="@string/title_legend_close_hint"
                 android:src="@drawable/baseline_close_24"
                 app:layout_constraintBottom_toBottomOf="@id/tvHintSupport"
                 app:layout_constraintEnd_toEndOf="parent"
@@ -85,6 +86,7 @@
                 android:id="@+id/ibHintSwipe"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:contentDescription="@string/title_legend_close_hint"
                 android:src="@drawable/baseline_close_24"
                 app:layout_constraintBottom_toBottomOf="@id/tvHintSwipe"
                 app:layout_constraintEnd_toEndOf="parent"
@@ -116,6 +118,7 @@
                 android:id="@+id/ibHintSelect"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:contentDescription="@string/title_legend_close_hint"
                 android:src="@drawable/baseline_close_24"
                 app:layout_constraintBottom_toBottomOf="@id/tvHintSelect"
                 app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/fragment_rule.xml b/app/src/main/res/layout/fragment_rule.xml
index 8c4ec352d8..ab952176f1 100644
--- a/app/src/main/res/layout/fragment_rule.xml
+++ b/app/src/main/res/layout/fragment_rule.xml
@@ -34,6 +34,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="12dp"
+                android:labelFor="@+id/etName"
                 android:text="@string/title_rule_name"
                 android:textAppearance="@style/TextAppearance.AppCompat.Small"
                 app:layout_constraintStart_toStartOf="parent"
@@ -137,6 +138,7 @@
                 android:layout_height="24dp"
                 android:layout_marginStart="6dp"
                 android:layout_marginEnd="6dp"
+                android:contentDescription="@string/title_legend_pick"
                 android:src="@drawable/baseline_person_24"
                 app:layout_constraintBottom_toBottomOf="@id/etSender"
                 app:layout_constraintEnd_toEndOf="parent"
@@ -200,6 +202,7 @@
                 android:layout_height="24dp"
                 android:layout_marginStart="6dp"
                 android:layout_marginEnd="6dp"
+                android:contentDescription="@string/title_legend_pick"
                 android:src="@drawable/baseline_person_24"
                 app:layout_constraintBottom_toBottomOf="@id/etRecipient"
                 app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/fragment_setup.xml b/app/src/main/res/layout/fragment_setup.xml
index d9ed016635..d23b132a04 100644
--- a/app/src/main/res/layout/fragment_setup.xml
+++ b/app/src/main/res/layout/fragment_setup.xml
@@ -16,6 +16,7 @@
             android:id="@+id/fast"
             android:layout_width="24dp"
             android:layout_height="24dp"
+            android:contentDescription="@string/title_setup_quick"
             android:src="@drawable/baseline_fast_forward_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
@@ -68,6 +69,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="12dp"
+            android:contentDescription="1"
             android:src="@drawable/baseline_looks_one_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/vSeparatorAccount" />
@@ -144,6 +146,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="12dp"
+            android:contentDescription="2"
             android:src="@drawable/baseline_looks_two_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/vSeparatorIdentity" />
@@ -220,6 +223,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="12dp"
+            android:contentDescription="3"
             android:src="@drawable/baseline_looks_3_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/vSeparatorPermissions" />
@@ -284,6 +288,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="12dp"
+            android:contentDescription="4"
             android:src="@drawable/baseline_looks_4_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/vSeparatorDoze" />
@@ -363,6 +368,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginTop="12dp"
+            android:contentDescription="5"
             android:src="@drawable/baseline_looks_5_24"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/vSeparatorInbox" />
diff --git a/app/src/main/res/layout/include_addresses.xml b/app/src/main/res/layout/include_addresses.xml
index 18e569e2ff..496884928e 100644
--- a/app/src/main/res/layout/include_addresses.xml
+++ b/app/src/main/res/layout/include_addresses.xml
@@ -20,6 +20,7 @@
         android:layout_height="21dp"
         android:layout_marginEnd="12dp"
         android:background="?android:attr/selectableItemBackgroundBorderless"
+        android:contentDescription="@string/title_legend_notify"
         android:src="@drawable/baseline_notifications_24"
         app:layout_constraintEnd_toStartOf="@+id/ivAddContact"
         app:layout_constraintTop_toTopOf="parent" />
@@ -29,6 +30,7 @@
         android:layout_width="21dp"
         android:layout_height="21dp"
         android:background="?android:attr/selectableItemBackgroundBorderless"
+        android:contentDescription="@string/title_legend_contacts"
         android:src="@drawable/baseline_import_contacts_24"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
diff --git a/app/src/main/res/layout/item_account.xml b/app/src/main/res/layout/item_account.xml
index 16ba09563b..84e8defe53 100644
--- a/app/src/main/res/layout/item_account.xml
+++ b/app/src/main/res/layout/item_account.xml
@@ -33,6 +33,7 @@
             android:layout_height="24dp"
             android:layout_marginStart="6dp"
             android:layout_marginEnd="6dp"
+            android:contentDescription="@string/title_legend_connection_state"
             android:src="@drawable/baseline_cloud_off_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvName"
             app:layout_constraintStart_toEndOf="@id/vwColor"
@@ -43,6 +44,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_primary"
             android:src="@drawable/baseline_star_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvName"
             app:layout_constraintStart_toEndOf="@id/ivState"
@@ -53,6 +55,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_notify"
             android:src="@drawable/baseline_notifications_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvName"
             app:layout_constraintStart_toEndOf="@id/ivPrimary"
@@ -79,6 +82,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginEnd="6dp"
+            android:contentDescription="@string/title_legend_sync_state"
             android:src="@drawable/baseline_sync_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvName"
             app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/item_attachment.xml b/app/src/main/res/layout/item_attachment.xml
index 1a83e08a8a..5c82c76240 100644
--- a/app/src/main/res/layout/item_attachment.xml
+++ b/app/src/main/res/layout/item_attachment.xml
@@ -17,6 +17,7 @@
             android:id="@+id/ivDelete"
             android:layout_width="36dp"
             android:layout_height="24dp"
+            android:contentDescription="@string/title_legend_delete"
             android:paddingEnd="12dp"
             android:src="@drawable/baseline_delete_24"
             android:visibility="visible"
@@ -27,6 +28,7 @@
             android:id="@+id/ivAttachments"
             android:layout_width="24dp"
             android:layout_height="24dp"
+            android:contentDescription="@string/title_legend_attachment"
             android:src="@drawable/baseline_attachment_24"
             app:layout_constraintStart_toEndOf="@id/ivDelete"
             app:layout_constraintTop_toTopOf="parent" />
@@ -79,6 +81,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_download_state"
             android:src="@drawable/baseline_cloud_download_24"
             app:layout_constraintEnd_toStartOf="@+id/ivSave"
             app:layout_constraintStart_toEndOf="@id/tvSize"
@@ -88,6 +91,7 @@
             android:id="@+id/ivSave"
             android:layout_width="36dp"
             android:layout_height="24dp"
+            android:contentDescription="@string/title_legend_save"
             android:paddingStart="12dp"
             android:src="@drawable/baseline_save_24"
             app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/item_contact.xml b/app/src/main/res/layout/item_contact.xml
index 4fbe0b657a..58108b9a42 100644
--- a/app/src/main/res/layout/item_contact.xml
+++ b/app/src/main/res/layout/item_contact.xml
@@ -13,6 +13,7 @@
             android:id="@+id/ivType"
             android:layout_width="24dp"
             android:layout_height="24dp"
+            android:contentDescription="@string/title_legend_avatar"
             android:src="@drawable/baseline_call_received_24"
             app:layout_constraintBottom_toBottomOf="@+id/ivAvatar"
             app:layout_constraintStart_toStartOf="parent"
@@ -23,6 +24,7 @@
             android:layout_width="42dp"
             android:layout_height="0dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_avatar"
             android:padding="3dp"
             android:src="@drawable/baseline_person_24"
             app:layout_constraintDimensionRatio="1:1"
@@ -84,6 +86,7 @@
             android:id="@+id/ivFavorite"
             android:layout_width="24dp"
             android:layout_height="24dp"
+            android:contentDescription="@string/title_legend_flagged"
             android:src="@drawable/baseline_star_24"
             android:visibility="visible"
             app:layout_constraintBottom_toBottomOf="@+id/ivAvatar"
diff --git a/app/src/main/res/layout/item_folder.xml b/app/src/main/res/layout/item_folder.xml
index 1e82135dd3..00e3bac1b3 100644
--- a/app/src/main/res/layout/item_folder.xml
+++ b/app/src/main/res/layout/item_folder.xml
@@ -24,6 +24,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_connection_state"
             android:src="@drawable/baseline_cloud_off_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvName"
             app:layout_constraintStart_toEndOf="@id/vwColor"
@@ -43,6 +44,7 @@
             android:layout_height="0dp"
             android:layout_gravity="center_vertical|center_horizontal"
             android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/title_legend_expander"
             android:paddingStart="12dp"
             android:paddingEnd="12dp"
             android:src="@drawable/baseline_expand_less_24"
@@ -54,6 +56,7 @@
             android:id="@+id/ivUnified"
             android:layout_width="30dp"
             android:layout_height="24dp"
+            android:contentDescription="@string/title_legend_unified"
             android:paddingEnd="6dp"
             android:src="@drawable/baseline_folder_special_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvType"
@@ -64,6 +67,7 @@
             android:id="@+id/ivNotify"
             android:layout_width="30dp"
             android:layout_height="24dp"
+            android:contentDescription="@string/title_legend_notify"
             android:paddingEnd="6dp"
             android:src="@drawable/baseline_notifications_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvName"
@@ -103,6 +107,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginEnd="12dp"
+            android:contentDescription="@string/title_legend_count"
             android:src="@drawable/baseline_mail_outline_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvName"
             app:layout_constraintEnd_toEndOf="parent"
@@ -140,6 +145,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginEnd="12dp"
+            android:contentDescription="@string/title_legend_sync_state"
             android:src="@drawable/baseline_sync_24"
             app:layout_constraintBottom_toBottomOf="@id/tvType"
             app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/item_identity.xml b/app/src/main/res/layout/item_identity.xml
index fb1ca2cf0b..a08c4243f9 100644
--- a/app/src/main/res/layout/item_identity.xml
+++ b/app/src/main/res/layout/item_identity.xml
@@ -33,6 +33,7 @@
             android:layout_height="24dp"
             android:layout_marginStart="6dp"
             android:layout_marginEnd="6dp"
+            android:contentDescription="@string/title_legend_connection_state"
             android:src="@drawable/baseline_cloud_off_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvName"
             app:layout_constraintStart_toEndOf="@id/vwColor"
@@ -43,6 +44,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_primary"
             android:src="@drawable/baseline_star_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvName"
             app:layout_constraintStart_toEndOf="@id/ivState"
@@ -69,6 +71,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:layout_marginEnd="6dp"
+            android:contentDescription="@string/title_legend_sync_state"
             android:src="@drawable/baseline_sync_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvName"
             app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/item_image.xml b/app/src/main/res/layout/item_image.xml
index ed1bf0f01e..6b004be5c4 100644
--- a/app/src/main/res/layout/item_image.xml
+++ b/app/src/main/res/layout/item_image.xml
@@ -17,6 +17,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:adjustViewBounds="true"
+            android:contentDescription="@string/title_legend_show_images"
             android:scaleType="centerInside"
             android:src="@mipmap/ic_launcher"
             app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/item_message_compact.xml b/app/src/main/res/layout/item_message_compact.xml
index 1bae333a8f..290ff97553 100644
--- a/app/src/main/res/layout/item_message_compact.xml
+++ b/app/src/main/res/layout/item_message_compact.xml
@@ -38,6 +38,7 @@
             android:layout_gravity="center_vertical|center_horizontal"
             android:layout_marginStart="6dp"
             android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/title_legend_expander"
             android:src="@drawable/baseline_expand_less_24"
             android:visibility="visible"
             app:layout_constraintBottom_toBottomOf="@+id/paddingBottom"
@@ -57,6 +58,7 @@
             android:layout_width="0dp"
             android:layout_height="24dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_avatar"
             android:src="@drawable/baseline_person_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvFrom"
             app:layout_constraintDimensionRatio="1:1"
@@ -111,6 +113,7 @@
             android:layout_width="21dp"
             android:layout_height="21dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_draft"
             android:src="@drawable/baseline_edit_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvSubject"
             app:layout_constraintStart_toEndOf="@id/paddingStart"
@@ -121,6 +124,7 @@
             android:layout_width="21dp"
             android:layout_height="21dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_snoozed"
             android:src="@drawable/baseline_timelapse_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvSubject"
             app:layout_constraintStart_toEndOf="@id/ivDraft"
@@ -131,6 +135,7 @@
             android:layout_width="21dp"
             android:layout_height="21dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_browsed"
             android:src="@drawable/baseline_playlist_add_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvSubject"
             app:layout_constraintStart_toEndOf="@id/ivSnoozed"
@@ -141,6 +146,7 @@
             android:layout_width="21dp"
             android:layout_height="21dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_answered"
             android:src="@drawable/baseline_reply_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvSubject"
             app:layout_constraintStart_toEndOf="@id/ivBrowsed"
@@ -151,6 +157,7 @@
             android:layout_width="21dp"
             android:layout_height="21dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_receipt"
             android:src="@drawable/baseline_playlist_add_check_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvSubject"
             app:layout_constraintStart_toEndOf="@id/ivAnswered"
@@ -161,6 +168,7 @@
             android:layout_width="21dp"
             android:layout_height="21dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_attachment"
             android:src="@drawable/baseline_attachment_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvSubject"
             app:layout_constraintStart_toEndOf="@id/ivReceipt"
@@ -216,6 +224,7 @@
             android:layout_width="15dp"
             android:layout_height="15dp"
             android:layout_marginEnd="6dp"
+            android:contentDescription="@string/title_legend_thread"
             android:src="@drawable/baseline_message_24"
             app:layout_constraintBottom_toBottomOf="@id/tvSubject"
             app:layout_constraintEnd_toStartOf="@+id/ivFlagged"
@@ -227,6 +236,7 @@
             android:layout_height="36dp"
             android:layout_marginEnd="6dp"
             android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/title_legend_flagged"
             android:paddingTop="6dp"
             android:paddingBottom="6dp"
             android:src="@drawable/baseline_star_24"
@@ -328,6 +338,7 @@
             android:layout_marginStart="6dp"
             android:layout_marginEnd="6dp"
             android:background="?android:attr/selectableItemBackground"
+            android:contentDescription="@string/title_legend_expander"
             android:src="@drawable/baseline_expand_less_24"
             android:visibility="visible"
             app:layout_constraintEnd_toEndOf="parent"
@@ -501,6 +512,7 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="3dp"
             android:layout_marginEnd="6dp"
+            android:contentDescription="@string/title_legend_show_quotes"
             android:src="@drawable/baseline_format_quote_24"
             app:layout_constraintEnd_toStartOf="@+id/ibImages"
             app:layout_constraintTop_toBottomOf="@id/bnvActions" />
diff --git a/app/src/main/res/layout/item_message_normal.xml b/app/src/main/res/layout/item_message_normal.xml
index 8d687bee04..588b50772d 100644
--- a/app/src/main/res/layout/item_message_normal.xml
+++ b/app/src/main/res/layout/item_message_normal.xml
@@ -37,6 +37,7 @@
             android:layout_gravity="center_vertical|center_horizontal"
             android:layout_marginStart="6dp"
             android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/title_legend_expander"
             android:src="@drawable/baseline_expand_less_24"
             android:visibility="visible"
             app:layout_constraintBottom_toBottomOf="@+id/paddingBottom"
@@ -54,6 +55,7 @@
             android:id="@+id/ivAvatar"
             android:layout_width="0dp"
             android:layout_height="0dp"
+            android:contentDescription="@string/title_legend_avatar"
             android:paddingStart="6dp"
             android:paddingEnd="6dp"
             android:src="@drawable/baseline_person_24"
@@ -123,6 +125,7 @@
             android:layout_width="36dp"
             android:layout_height="36dp"
             android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/title_legend_flagged"
             android:padding="6dp"
             android:src="@drawable/baseline_star_24"
             android:visibility="visible"
@@ -135,6 +138,7 @@
             android:layout_width="21dp"
             android:layout_height="21dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_draft"
             android:src="@drawable/baseline_edit_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvFolder"
             app:layout_constraintStart_toEndOf="@id/ivAvatar"
@@ -145,6 +149,7 @@
             android:layout_width="21dp"
             android:layout_height="21dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_snoozed"
             android:src="@drawable/baseline_timelapse_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvFolder"
             app:layout_constraintStart_toEndOf="@id/ivDraft"
@@ -155,6 +160,7 @@
             android:layout_width="21dp"
             android:layout_height="21dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_browsed"
             android:src="@drawable/baseline_playlist_add_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvFolder"
             app:layout_constraintStart_toEndOf="@id/ivSnoozed"
@@ -165,6 +171,7 @@
             android:layout_width="21dp"
             android:layout_height="21dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_answered"
             android:src="@drawable/baseline_reply_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvFolder"
             app:layout_constraintStart_toEndOf="@id/ivBrowsed"
@@ -175,6 +182,7 @@
             android:layout_width="21dp"
             android:layout_height="21dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_receipt"
             android:src="@drawable/baseline_playlist_add_check_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvFolder"
             app:layout_constraintStart_toEndOf="@id/ivAnswered"
@@ -185,6 +193,7 @@
             android:layout_width="21dp"
             android:layout_height="21dp"
             android:layout_marginStart="6dp"
+            android:contentDescription="@string/title_legend_attachment"
             android:src="@drawable/baseline_attachment_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvFolder"
             app:layout_constraintStart_toEndOf="@id/ivReceipt"
@@ -223,6 +232,7 @@
             android:layout_width="15dp"
             android:layout_height="15dp"
             android:layout_marginEnd="6dp"
+            android:contentDescription="@string/title_legend_thread"
             android:src="@drawable/baseline_message_24"
             app:layout_constraintBottom_toBottomOf="@+id/tvFolder"
             app:layout_constraintEnd_toStartOf="@+id/ivFlagged"
@@ -321,6 +331,7 @@
             android:layout_marginStart="6dp"
             android:layout_marginEnd="6dp"
             android:background="?android:attr/selectableItemBackground"
+            android:contentDescription="@string/title_legend_expander"
             android:src="@drawable/baseline_expand_less_24"
             android:visibility="visible"
             app:layout_constraintEnd_toEndOf="parent"
@@ -492,6 +503,7 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="3dp"
             android:layout_marginEnd="6dp"
+            android:contentDescription="@string/title_legend_show_quotes"
             android:src="@drawable/baseline_format_quote_24"
             app:layout_constraintEnd_toStartOf="@+id/ibImages"
             app:layout_constraintTop_toBottomOf="@id/bnvActions" />
@@ -502,6 +514,7 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="3dp"
             android:layout_marginEnd="6dp"
+            android:contentDescription="@string/title_legend_show_images"
             android:src="@drawable/baseline_image_24"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toBottomOf="@id/bnvActions" />
diff --git a/app/src/main/res/layout/item_rule.xml b/app/src/main/res/layout/item_rule.xml
index d5a1fca119..3b20c4bb89 100644
--- a/app/src/main/res/layout/item_rule.xml
+++ b/app/src/main/res/layout/item_rule.xml
@@ -42,6 +42,7 @@
             android:id="@+id/ivStop"
             android:layout_width="24dp"
             android:layout_height="24dp"
+            android:contentDescription="@string/title_legend_stop"
             android:src="@drawable/baseline_stop_24"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
diff --git a/app/src/main/res/layout/widget.xml b/app/src/main/res/layout/widget.xml
index a46db7390f..85e3f695b7 100644
--- a/app/src/main/res/layout/widget.xml
+++ b/app/src/main/res/layout/widget.xml
@@ -12,6 +12,7 @@
         android:layout_height="0dp"
         android:layout_gravity="center_horizontal"
         android:layout_weight="1"
+        android:contentDescription="@string/title_legend_count"
         android:src="@drawable/baseline_mail_24"
         android:tint="@color/colorWidgetForeground" />
 
@@ -21,7 +22,7 @@
         android:layout_height="0dp"
         android:layout_gravity="center_horizontal"
         android:layout_weight="1"
-        android:text="?"
+        android:text="\?"
         android:textAppearance="@style/TextAppearance.AppCompat.Medium"
         android:textColor="@color/colorWidgetForeground"
         android:textSize="18dp"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2e9b35ae10..713b055805 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -546,6 +546,20 @@
     <string name="title_legend_metered">Connection is metered</string>
     <string name="title_legend_unmetered">Connection is unmetered</string>
 
+    <string name="title_legend_expander">Expander</string>
+    <string name="title_legend_avatar">Avatar</string>
+    <string name="title_legend_show_quotes">Show quotes</string>
+    <string name="title_legend_show_images">Show images</string>
+    <string name="title_legend_edit">Edit</string>
+    <string name="title_legend_default_color">Default color</string>
+    <string name="title_legend_close_hint">Close hint</string>
+    <string name="title_legend_connection_state">Connection state</string>
+    <string name="title_legend_sync_state">Synchronization state</string>
+    <string name="title_legend_download_state">Download state</string>
+    <string name="title_legend_save">Save</string>
+    <string name="title_legend_delete">Delete</string>
+    <string name="title_legend_count">Count</string>
+
     <string name="title_hint_folder_actions">Long press for options</string>
     <string name="title_hint_folder_sync">To limit battery and network usage not all folders and not all messages will be synchronized by default</string>
     <string name="title_hint_support">If you have a question or a problem, please use the support menu to get help</string>