update dashboard item caption

dashboard-for-web/articles/web-dashboard-designer-mode/dashboard-layout/dashboard-item-caption.md

@@ -8,20 +8,42 @@ Each dashboard item has a caption that is displayed at the top of this item. The
 
 ![wdd-dashboard-item-caption](../../../images/img126135.png)
 
+You can control the dashboard item caption's visibility.
+
+* When the caption is **on**, it is always displayed at the top of the dashboard item. Some command buttons are displayed when you hover the mouse pointer over them.
+* When the caption is **off**, it is not visible by default. Some command buttons are displayed in a floating panel when you hover the mouse pointer over them. On touch-based devices, you need to do extra click to show the caption elements when the caption is hidden.
+
 To show or hide the caption of a dashboard item, go to the dashboard item **Options** menu and use the **Show Caption** option.
 
 ![wdd-di-caption-options](../../../images/img126136.png)
 
 > [!NOTE]
-> The caption of the [Range Filter](../designing-dashboard-items/range-filter.md) dashboard item is not visible by default.
-
-The caption of the dashboard item contains the following information and buttons, depending on the dashboard item type.
-
-| Icon | Description |
-|---|---|
-| **Dashboard Item Name** | Represents the static text within a dashboard item's caption. |
-| **Drill-Down** | Shows a value or values from the current drill-down hierarchy. To learn more, see [Drill-Down](../interactivity/drill-down.md). |
-| **Export to** | Allows you to print or export a dashboard item. To learn how to print individual dashboard items, see [Exporting](../exporting.md). |
-| **Values** | Invokes a drop-down menu that allows you to switch between provided values (in the pie, card, gauge and maps dashboard items). To learn more, see the **Providing Data** topic for the corresponding [dashboard item](../designing-dashboard-items.md). |
-| **Clear Master Filter** | Allows you to reset filtering when a dashboard item acts as the Master Filter. To learn more, see [Master Filtering](../interactivity/master-filtering.md). |
-| **Drill Up** | Allows you to return to the previous detail level when the [drill-down](../interactivity/drill-down.md) capability is enabled for this item. |
+> The [Range Filter](../designing-dashboard-items/range-filter.md) dashboard item's caption is not visible by default.
+
+The dashboard item caption consists of the following elements:
+
+* A **static item** is visible only if the caption is enabled (for example, the item caption, the data reducing icon).
+* An **action item** is displayed only when the mouse pointer hovers over the dashboard item caption (for instance, the _Export To_ and _Values_ buttons).
+* A **state item** is displayed only in specific dashboards states (for example, the _Drill Up_ and _Clear Master Filter_ buttons).
+* A **navigation item** allows you to navigate through different dashboard screens (for example, _Dashboards_ and _Back_ buttons in [mobile layout](../../web-dashboard-viewer-mode/mobile-layout.md)).
+
+The table below lists the information and buttons that can be displayed in the dashboard item caption.
+
+| Icon / Text | Item | Description |
+|---|---|---|
+| ![](../../../images/web-item-caption-data-reducing.png) | **Data Reducing** icon | **Static**. Shows that visible data is limited. |
+| Text | **Drill-Down Text** | **Static**.Shows a value or values from the current drill-down hierarchy. See [Drill-Down](../interactivity/drill-down.md) for more details. |
+| Text | **Caption Text** | **Static**. Shows a static text in the caption. |
+| ![](../../../images/web-item-caption-maximize.png) | **Maximize** button | **Action**. Expands any dashboard item into the whole dashboard size to examine data in greater detail. Refer to [Dashboard Items Layout](dashboard-items-layout.md) for more information. |
+| ![](../../../images/web-item-caption-restore.png) | **Restore** button | **Action**. Restores the expanded item to its initial state. |
+| ![](../../../images/web-item-caption-export.png) | **Export to** button | **Action**. Invokes the export menu for a dashboard item. To learn how to export individual dashboard items, see [Exporting](../exporting.md). |
+| ![](../../../images/web-item-caption-values.png) | **Values** button | **Action**. Invokes a drop-down menu that allows you to switch between provided values (in the pie, card, gauge and maps dashboard items). To learn more, see the **Providing Data** topic for the corresponding [dashboard item](../designing-dashboard-items.md). |
+| ![](../../../images/web-item-caption-multi-select.png) | **Multi-Select** button | **Action**. Allows you to filter data by selecting multiple elements in dashboard items. |
+| ![](../../../images/web-item-caption-select-date-time-period.png) | **Select Date Time Period** menu / button | **Action**. Allows you to select date-time periods for the Range Filter. |
+| ![](../../../images/web-item-caption-filters.png) | **Filters** button | **Action**. Displays filters affecting the current dashboard item or entire dashboard. This button is only available in [mobile layout](../../web-dashboard-viewer-mode/mobile-layout.md). |
+| ![](../../../images/web-item-caption-clear-master-filter.png) | **Clear Master Filter** button | **State**. Allows you to reset filtering when a dashboard item acts as the Master Filter. To learn more, see Master Filtering. |
+| ![](../../../images/web-item-caption-drill-up.png) | **Drill Up** button |  **State**. Allows you to return to the previous detail level when the [drill-down](../interactivity/drill-down.md) capability is enabled for this item. |
+| ![](../../../images/web-item-caption-clear-selection.png) | **Clear Selection** button |  **State**. Allows you to clear the selection inside an item. |
+| ![](../../../images/web-item-caption-initial-extent.png) | **Initial Extent** button |  **State**. Restores the default size and position of the Map dashboard items. |
+| Dashboards | **Dashboards** button |  **Navigation**. Displays a list of available dashboards. |
+| ![](../../../images/web-item-caption-back-button.png) | **Back** button | **Navigation**. Returns to the dashboard items list. |