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

Anotations

Scope note:

Slender, vertical, usually nonstructural bars or piers forming a division between doors, screens, or lights of windows; for the small members that divide glazing areas and support the panes or the verticals that separate the panels in panel doors, use "muntins."