This Wiki page is edited by participants of the WCAG Working Group. It does not necessarily represent consensus and it may have incorrect information or information that is not supported by other Working Group participants, WAI, or W3C. It may also have some very useful information.
From WCAG WG
The following definition is proposed for WCAG2ICT:
Content that is not embedded in software and that does not include its own user agent
Note: Non-embedded content may be web or non-web content. An electronic document and a movie file (or set of movie related files, including captions file etc., if they are a package) are examples of non-embedded content.
See also user agent.