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                  Accordion (Sections With Show/Hide Functionality)
                
              
              
          An accordion is a vertically stacked set of interactive headings that each contain a title, content snippet, or thumbnail representing a section of content.
             
           
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                  Alert
                
              
              
          An alert is an element that displays a brief, important message in a way that attracts the user's attention without interrupting the user's task.
             
           
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                  Alert and Message Dialogs
                
              
              
          An alert dialog is a modal dialog that interrupts the user's workflow to communicate an important message and acquire a response.
             
           
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                  Breadcrumb
                
              
              
          A breadcrumb trail consists of a list of links to the parent pages of the current page in hierarchical order.
             
           
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                  Button
                
              
              
          A button is a widget that enables users to trigger an action or event, such as submitting a form, opening a dialog, canceling an action, or performing a delete operation.
             
           
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                  Carousel (Slide Show or Image Rotator)
                
              
              
          A carousel presents a set of items, referred to as slides, by sequentially displaying a subset of one or more slides.
             
           
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                  Checkbox
                
              
              WAI-ARIA supports two types of checkbox widgets: dual-state checkboxes toggle between two choices -- checked and not checked -- and tri-state checkboxes, which  allow an additional third state known as partially checked.
             
           
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                  Combobox
                
              
              
          A combobox is an input widget that has an associated popup.
             
           
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                  Dialog (Modal)
                
              
              
          A dialog is a window overlaid on either the primary window or another dialog window.
             
           
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                  Disclosure (Show/Hide)
                
              
              
          A disclosure is a widget that enables content to be either collapsed (hidden) or expanded (visible).
             
           
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                  Feed
                
              
              
          A feed is a section of a page that automatically loads new sections of content as the user scrolls.
             
           
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                  Grid (Interactive Tabular Data and Layout Containers)
                
              
              
          A grid widget is a container that enables users to navigate the information or interactive elements it contains using directional navigation keys, such as arrow keys, Home, and End.
             
           
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                  Landmarks
                
              
              
          Landmarks are a set of eight roles that identify the major sections of a page.
             
           
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                  Link
                
              
              
          A link widget provides an interactive reference to a resource.
             
           
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                  Listbox
                
              
              
          A listbox widget presents a list of options and allows a user to select one or more of them.
             
           
            
           
            
           
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                  Meter
                
              
              
          A meter is a graphical display of a numeric value that varies within a defined range.
             
           
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                  Radio Group
                
              
              
          A radio group is a set of checkable buttons, known as radio buttons, where no more than one of the buttons can be checked at a time.
             
           
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                  Slider
                
              
              
          A slider is an input where the user selects a value from within a given range.
             
           
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                  Slider (Multi-Thumb)
                
              
              
          A multi-thumb slider implements the Slider Pattern but includes two or more thumbs, often on a single rail.
             
           
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                  Spinbutton
                
              
              
          A spinbutton is an input widget that restricts its value to a set or range of discrete values.
             
           
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                  Switch
                
              
              
          A switch is an input widget that allows users to choose one of two values: on or off.
             
           
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                  Table
                
              
              
          Like an HTML table element, a WAI-ARIA table is a static tabular structure containing one or more rows that each contain one or more cells; it is not an interactive widget.
             
           
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                  Tabs
                
              
              
          Tabs are a set of layered sections of content, known as tab panels, that display one panel of content at a time.
             
           
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                  Toolbar
                
              
              A toolbar is a container for grouping a set of controls, such as buttons, menubuttons, or checkboxes.
             
           
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                  Tooltip
                
              
              
          A tooltip is a popup that displays information related to an element when the element receives keyboard focus or the mouse hovers over it.
             
           
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                  Tree View
                
              
              
          A tree view widget presents a hierarchical list.
             
           
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                  Treegrid
                
              
              
          A treegrid widget presents a hierarchical data grid consisting of tabular information that is editable or interactive.
             
           
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                  Window Splitter
                
              
              
          A window splitter is a moveable separator between two sections, or panes, of a window that enables users to change the relative size of the panes.