NOTE: This includes author-provided accessibility features.
NOTE: Other interfaces (such as a mouse) can be provided in addition to keyboard operation.
NOTE: Refer to guideline 4.2 for information regarding user agent support.
Performs or is able to perform one or more actions in response to user input.
On devices that do not have a built-in or attached keyboard, there is often an alternate method for connecting a keyboard to the device for the purpose of generating text or an internal method for generating text. Allowing control via the "keyboard interface" means that the content could be controlled through commands issued from the keyboard or by alternate methods that are capable of generating text as if a keyboard had been used.
NOTE: Placeholder for Benefits section