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:

World Wide Web-based activity conducted through Web sites that enable members to create profiles of personal details, maintain lists of contacts, and send messages to other members. Establishing relationships for play, business, or action with others with similar interests is the primary goal.