1. Home
  2. top of the aat hierarchies
  3. Objects Facet
  4. Components (hierarchy name)
  5. components (objects parts)
  6. [components by specific context]
  7. architectural elements
  8. [openings and opening components]
  9. openings (architectural elements)
  10. [openings by form]
  11. [doorways and doorway components]
  12. doorway components
  13. doorsills
Scope note
Designates the lower sides and bottom of doorways; for strips fastened to the floor beneath doors to cover joints or provide weather protection, use "thresholds."
Accepted term: 17-Jun-2024