TileView: Update demo descriptions (DevExpress#30286) (DevExpress#30303)

Author: arman-boyakhchyan

apps/demos/Demos/TileView/Basics/React/description.md

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+TileView displays data within a collection of tiles. This component can contain text or HTML markup defined in its [dataSource](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/#dataSource) or [items[]](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/items/) array.
+
+In this demo, the [itemRender](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/#itemRender) property is used to customize tiles.
+<!--split-->

apps/demos/Demos/TileView/Basics/ReactJs/description.md

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+TileView displays data within a collection of tiles. This component can contain text or HTML markup defined in its [dataSource](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/#dataSource) or [items[]](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/items/) array.
+
+In this demo, the [itemRender](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/#itemRender) property is used to customize tiles.
+<!--split-->

apps/demos/Demos/TileView/Basics/description.md

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-The TileView component contains a collection of tiles. Tiles can store much more information than ordinary buttons, that is why they are very popular in apps designed for touch devices. This demo illustrates how to create a simple TileView.
+TileView displays data within a collection of tiles. This component can contain text or HTML markup defined in its [dataSource](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/#dataSource) or [items[]](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/items/) array.
+
+In this demo, the [itemTemplate](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/#itemTemplate) property is used to customize tiles.
 <!--split-->

apps/demos/Demos/TileView/Directions/description.md

@@ -1,2 +1,2 @@
-By default, the TileView component is oriented horizontally, but you can orient it vertically using the **direction** property.
+When [direction](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/#direction) is set to *"horizontal"* (default), TileView overflows content to the right (or to the left if [rtlEnabled](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/#rtlEnabled) is `true`). When **direction** is *"vertical"*, this component overflows content downwards.
 <!--split-->

apps/demos/Demos/TileView/ItemTemplate/React/description.md

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+You can customize the appearance of TileView visual elements with [templates](/Documentation/Guide/UI_Components/Common/Templates/). Specify custom HTML markup in [itemRender](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/#itemRender) to customize all tiles. To change the apperance of individual tiles, define **items[]**.[render](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/items/#render).
+<!--split-->

apps/demos/Demos/TileView/ItemTemplate/ReactJs/description.md

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+You can customize the appearance of TileView visual elements with [templates](/Documentation/Guide/UI_Components/Common/Templates/). Specify custom HTML markup in [itemRender](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/#itemRender) to customize all tiles. To change the apperance of individual tiles, define **items[]**.[render](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/items/#render).
+<!--split-->

apps/demos/Demos/TileView/ItemTemplate/description.md

@@ -1,2 +1,2 @@
-This demo illustrates how you can customize the appearance of tiles in the TileView component.
+You can customize the appearance of TileView visual elements with [templates](/Documentation/Guide/UI_Components/Common/Templates/). Specify custom HTML markup in [itemTemplate](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/#itemTemplate) to customize all tiles. To change the apperance of individual tiles, define **items[]**.[template](/Documentation/ApiReference/UI_Components/dxTileView/Configuration/items/#template).
 <!--split-->