Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. architectural elements
7. [openings and opening components]
8. opening components
9. shutters (opening covers)

Anotations

Scope note:

Window shutters having a vertical folding blade system in a frame, designed to cover a large expanse quickly. An example of such shutters is for hurricane protection. For window coverings with lighter weight vertical slats attached only at the top, use "vertical blinds."