Media objects constitute abstract bodies of information which can
have expression in some digital medium. These correspond to common
organizational concepts such as "document", "book", "manual",
"chapter", "section", "sidebar", "table", "image", "chart",
"diagram", "graph", "photo", "video segment", "audio stream", etc.
Media objects are abstract and have no specification for any given
language, coverage, or encoding. The same media object can be realized
in many languages, with many geographical, regional, distributional,
different editions or other variations, and be encoded in a multitude
of formats, without affecting in the least the scope and qualities of
the information that they embody.
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