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This section provided an introduction
to the concept of meta-data.
Some of the key points:
- Meta-data is information about what something
is or contains. The “something” might be a physical
object such as a book or a can of soup, or a digital object
such as online content.
- The phrase often used to explain meta-data
— data about data — simply means descriptive information
about something.
- Meta-data may be either attached to the thing
it describes, or stored in another place, or both.
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