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. openings (architectural elements)
9. [openings by form]
10. [doorways and doorway components]
11. doorway components
12. [doors and door components]
13. doors
14. [doors by form]
15. [doors by form: construction]

Anotations

Scope note:

Doors, usually unframed, formed of narrow vertical boards or planks held together by cross-pieces, battens, nailed to them. They may be constructed with two layers of planks, positioned on either side of the battens.