Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Object Groupings and Systems (hierarchy name)
4. object groupings
5. [object groupings by general context]
6. archives (groupings)

Anotations

Scope note:

Collections of electronic mail, stored as records, or otherwise held separately from active mailbox locations. These may be held in cloud storage or on electronic storage devices due to the nature of the medium.