Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Functions (hierarchy name)
4. functions (activities)
5. [functions by general context]
6. information handling functions

Anotations

Scope note:

Production of a document surrogate which summarizes the subject matter or describes other essential qualities of the document. For the process of making visual forms less representational, see "abstraction."