Users and Tools should be able to attach metadata descriptions to Bitstreams. Users should be able to select from Metadata Fields similar to those found in Item to provides description of Bitstreams. Will also Bitstreams metadata to be more granular. Examples of usage:

• Identify descriptive metadata for separate files (source, author, title, description)
• Identify format specific metadata for separate files (dataset variables, number of records, dataset aggregate statistics, data sources)
• Identify relationships between bitstreams (page order, parent/child, same as)