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. [windows and window components]
11. window components

Narrower term/s

• angel lights
• batement lights
• quarries (glass lights)[+]
  • carreaux (decorative glass lights)

Anotations

Scope note:

Describes the compartments of windows or window sashes through which daylight may pass; for the divisions of openings each consisting of a single plate of glass, use "panes (architectural elements)."