See Metadata, embedded

Metadata that is maintained and stored within the object it describes; the opposite of stand-alone metadata.

Embedded Metadata is information about a digital asset stored inside the digital file itself. The main motivation for using it is to better ensure metadata does not get separated from the digital file [..]

Descriptive textual data embedded in a file, for example EXIF and IPTC. In the context of digital asset management and online libraries, good systems will be able to extract these data and map them to fields in the database to enable them, if required, to be searchable and displayed. Similarly, it should be possible from within a digital asset mana [..]

Text, numbers, content, data or information that is directly or indirectly input into a Native File by a user and which is not typically visible to the user viewing the output of display of the Native File on screen or as a print-out.