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]

Narrower term/s

• [openings by function][+]
  • entrances [+]
    • posterns
  • exits [+]
    • emergency exits
  • vents (outlets)
  • manholes [NP]
  • intakes
  • gunports
  • scuppers
• [openings by form][+]
  • French doors [NP]
  • hatches (openings) [+]
    • buttery hatches
  • abat-jours
  • [doorways and doorway components] [+]
    • doorways
    • doorway components [+]
      • doorsills [+]
      • doorstones
      • thresholds
      • air curtains
      • overdoors
      • trumeaux (doorway components)
      • [doors and door components] [+]
      • door bucks
      • [doorframes and doorframe components] [+]
      • doorcaps
      • replumi
  • [windows and window components] [+]
    • windows [+]
      • [windows by form] [+]
      • [windows by mode of operation] [+]
      • [windows by location or context] [+]
      • [windows by function] [+]
    • window components [+]
      • cames
      • meeting rails
      • sashes (window components)
      • brise-soleils [NP]
      • window boxes
      • lights (window components) [+]
      • [window frames and window frame components] [+]
      • light shelves
      • window screens
      • window caps
      • avalōkanaka
  • [gateways and gateway components] [+]
    • gateways [+]
      • moon gates
      • gōpuraṭṭālakas
      • dvārāṭṭālaka
      • mahādvāra
      • dvāraśōbhā
      • dvāraśālā
      • waharoa
      • darwazas
    • gateway components [+]
      • [gates and gate components] [+]
  • oculi (openings)
  • portals
  • embrasures (openings)
  • wickets (architectural elements) [+]
    • wicket doors [NP]
    • wicket windows [NP]
  • mortises [NP]
  • coupures
  • jhanjhari
  • gāḍha
• [openings by location or context][+]
  • compluvia
  • archways
  • toplighting openings [+]
    • laylights
    • skylights
    • lantern lights
    • pavement lights
  • bhadravalokana
  • nāsīgāḍhas
  • gavākṣa [+]
    • lalaṭanāsikā
    • mahānāsī
    • gavākṣanāsī
    • bhadragavākṣa

Anotations

Scope note:

Generally denotes apertures or breaks in the surface of a wall or other architectural element.