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. building divisions
7. rooms and spaces
8. [rooms and spaces by function]

Narrower term/s

• concourses
• passages (circulation spaces)[+]
  • corridors
  • cryptoportici
  • dwarf galleries
  • fauces
  • screens passages
  • souterrains (passages)
  • covered ways (fortification elements) [NP]
  • alinda
  • pradakṣiṇā
  • pradakṣiṇāpatha
  • bhramantikā
  • mukhaśālā
  • agramaṇḍapa
  • mukhamaṇḍapa [+]
    • trika
  • ardhamaṇḍapa
  • andhārikā
• aisles[+]
  • ambulatories [NP]
  • side aisles
  • central aisles
  • mukhālinda
• escalator wells
• stairwells[+]
  • pressurized stairwells
• wellways

Anotations

Scope note:

Open spaces in rooms that allow for unencumbered movement within them. Circulation spaces can occupy a percentage of a room, or be constructed for the singular purpose of allowing free circulation. For outdoor pedestrian circulation pathways see terms collocated under "walkways".