Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Visual Works (hierarchy name)
5. visual works (works)
6. [visual works by material or technique]
7. sculpture (visual works)
8. [sculpture by form]

Anotations

Scope note:

Delicately balanced constructions of movable parts made to be suspended in such a way that parts will be set in motion by the movement of air; originally used to describe the work of Alexander Calder, but now used to describe any constructions of this sort.