Metadata is "data about data", of any sort in any media. An item of metadata may describe an individual datum, or content item, or a collection of data including multiple content items and hierarchical levels, for example a database schema. In data processing, meta-data is definitional data that provides information about or documentation of other data managed within an application or environment.
Source: Wikipedia
URL: http://en.wikipedia.org/wiki/Metadata
Source: Wikipedia
URL: http://en.wikipedia.org/wiki/Metadata
