Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Events (hierarchy name)
4. events (activities)
5. cultural events
6. presentations (communicative events)

Anotations

Scope note:

Events comprising presentations that instruct in, explain, or illustrate the practical operation or results of methods, processes, products, devices, or theories to others, such as students or prospective clients.