What is metadata?
Metadata, at its most basic level, is ‘data about data.’ Metadata should be structured, organized information about an object such as its source, scope, physical or digital characteristics, context, or any other details about the object itself. It applies to both physical (analog) and digital objects:
Metadata in books: Title, author, ISBN, call number. See Figure 5.1, ‘MARC metadata.’
Figure 5.1 MARC metadata