TagBox: Add Overview

concepts/05 UI Components/TagBox/03 Overview/00 Overview.md

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+TagBox is a UI component that allows users to select values from a list. The component displays selected items in its input area as tags. TagBox supports multiple item selection and can allow users to add new values.
+
+This overview highlights TagBox elements, key features, and what to explore next.

concepts/05 UI Components/TagBox/03 Overview/05 Elements.md

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+<img src="/images/TagBox/tagbox-elements.png" alt="TagBox elements"/>
+
+1. [Label](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#label)
+2. [Selected Items](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#selectedItems)
+3. [Clear Button](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#showClearButton) (optional)
+4. [Selection Controls](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#showSelectionControls)
+5. [Items](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/items/)
+6. [Placeholder](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#placeholder)
+7. [Dropdown Button](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#showDropDownButton) (optional)
+8. [Group Caption](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#groupTemplate)
+9. [Grouped Items](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#grouped)

concepts/05 UI Components/TagBox/03 Overview/10 Key Features.md

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+- **Data Binding**    
+TagBox supports loading and updating data from different [data source](/Documentation/ApiReference/Data_Layer/DataSource/) types.
+
+- **Tag Creation**    
+TagBox supports [custom values](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#acceptCustomValue). You can configure TagBox to update its data source on [custom item creation](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#onCustomItemCreating) or save changes temporarily.
+
+- **Selection Options**    
+TagBox supports configurable selection functionality. You can specify the [maximum number of tags](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#maxDisplayedTags) the component displays and [enable selection checkboxes](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#showSelectionControls) (including a "Select All" checkbox).
+
+- **Searching and Filtering**    
+The TagBox component supports [configurable search functionality](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#searchEnabled). You can specify a [search mode](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#searchMode), change the component [search delay](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#searchTimeout), and configure which [item fields to search](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#searchExpr). TagBox also supports minimum and maximum search query definitions.
+
+- **Grouping**    
+You can group items within the TagBox dropdown list. To enable grouping, set [grouped](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#grouped) to `true` and specify **DataSource**.[group](/Documentation/ApiReference/Data_Layer/DataSource/Configuration/#group) in the component [dataSource](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#dataSource).
+
+- **Paging**    
+DevExtreme TagBox supports paging within the component dropdown list. You can implement this feature to load large data sets in chunks. To enable paging, specify a [DataSource](/Documentation/ApiReference/Data_Layer/DataSource/) instance as the TagBox **dataSource** and configure the [paginate](/Documentation/ApiReference/Data_Layer/DataSource/Configuration/#paginate) and [pageSize](/Documentation/ApiReference/Data_Layer/DataSource/Configuration/#pageSize) properties.
+
+- **Form Support**    
+TagBox is a supported editor type in the DevExtreme [Form](/Documentation/Guide/UI_Components/Form/Overview/) component. To integrate TagBox within a Form, set a Form item's [editorType](/Documentation/ApiReference/UI_Components/dxForm/Item_Types/SimpleItem/#editorType) property to *"dxTagBox"*.
+
+- **Accessibility and RTL**    
+TagBox [conforms](/Documentation/Guide/UI_Components/TagBox/Accessibility/) to WCAG 2.x, European Accessibility Act (EAA), and Americans with Disabilities Act (ADA) standards. The component supports keyboard navigation and custom key handlers. TagBox also ships with right-to-left (RTL) representation support.
+
+- **Customization Settings**    
+You can customize TagBox visual elements as your needs dictate, including the component [label](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#label) and [styling mode](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#stylingMode). TagBox also supports input area [buttons](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/buttons/) and includes two predefined options: a [clear button](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#showClearButton) and a [dropdown button](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#showDropDownButton).
+
+- **Customization with Templates**    
+DevExtreme TagBox supports extended visual element customization with templates. You can specify custom HTML markup for the following component elements: <a href="/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#tagTemplate">tags</a>, [dropdown items](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#itemTemplate), the TagBox [input field](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#fieldTemplate), and [dropdown group headers](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/#groupTemplate).

concepts/05 UI Components/TagBox/03 Overview/15 Explore More.md

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+- [Getting Started with TagBox](/Documentation/Guide/UI_Components/TagBox/Getting_Started_with_TagBox/)
+
+- [API](/Documentation/ApiReference/UI_Components/dxTagBox/Configuration/)
+
+- [Demos](https://js.devexpress.com/Demos/WidgetsGallery/Demo/TagBox/Overview/)