WAI-ARIA: Role=Command

Description A type of input that allows free-form text as its value. If the aria-multiline attribute is true, the widget accepts line breaks within the input, as in an HTML textarea. Otherwise, this is a simple text box. The intended use is for languages that do not have a text input element, or cases in…

Description A type of live region containing a numerical counter which indicates an amount of elapsed time from a start point, or the time remaining until an end point. The text contents of the timer object indicate the current time measurement, and are updated as that amount changes. The timer value is not necessarily machine…

A presentation of menu that usually remains visible and is usually presented horizontally  Description A presentation of menu that usually remains visible and is usually presented horizontally.The menubar role is used to create a menu bar similar to those found in Windows, Mac, and Gnome desktop applications. A menu bar is used to create a…

  A message with important, and usually time-sensitive, information. Description A type of live region with important, and usually time-sensitive, information. See related alertdialog and status. Alerts are used to convey messages to alert the user. In the case of audio warnings this is an accessible alternative for a hearing-impaired user. The alert role goes…