The fifth revision of the HTML standard. It is still under development but is expected to become a new standard for web pages that eventually is expected to replace XHTML. It provides improved processing of audio and video files and is supported by most mobile devices.

The name for a specific piece of language-specific text in a Joomla application.

KEY = Value: where “KEY” is a string to be translated and “Value” is the translated string. In a Joomla program, language keys are used instead of literal language strings. The actual text is substituted at runtime based on the currently active language.