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

Narrower term/s

• fortification elements[+]
  • casemates [+]
    • traditor casemates
  • batteries (platforms) [+]
    • indented batteries
    • flank batteries
  • baileys [+]
    • inner baileys
    • outer baileys
  • keeps [+]
    • shell keeps
  • outworks [+]
    • barbicans
    • counterscarps
    • scarps (fortification elements)
    • glacis
    • hornworks
    • moats [NP] [+]
      • main moats
      • ravelin ditches [NP]
      • parikhā
    • palisades (outworks)
    • ravelins [+]
      • redans
    • covered ways (fortification elements)
    • fosses [NP] [+]
      • moats [+]
      • defensive dikes
    • countermines
    • caponiers
    • flèches (fortification elements)
    • demi-lunes (outworks)
  • cavaliers (fortification elements)
  • fortification openings [+]
    • sally ports
    • loopholes
  • [defensive walls and defensive wall components] [+]
    • defensive walls [+]
      • breastworks
      • enceintes [+]
      • curtain walls (fortification elements)
      • ramparts [+]
      • murus gallicus
      • valla
      • honmaru
      • bulwarks
      • epaulements
      • faussebrayes
      • anti-tank walls
    • defensive wall components [+]
      • banquettes (defensive wall components)
      • terrepleins
      • machicolations
      • bartizans
      • [battlements and battlement components] [+]
      • roundels (defensive wall components)
      • batardeaus
  • [bastions and bastion components] [+]
    • bastions (fortification elements) [+]
      • karṇāṭṭalaka
    • bastion components [+]
      • gorges (bastion components)
      • salients
      • epaulements [NP]
      • flanks (bastion components)
      • orillons
  • mottes
  • tenshu
  • chevaux de frise
  • inundation sluices
  • cunettes
  • ravelin ditches
  • dítái
  • dūntái
• religious building fixtures[+]
  • Christian religious building fixtures [+]
    • altar rails [+]
      • communion rails
    • confessionals (Christian religious building fixtures)
    • Easter sepulchers
    • rood lofts
    • pulpits [+]
      • ambos (pulpits)
      • three-deckers (pulpits)
    • piscinae (Christian building fixtures)
    • communion tables [NP]
    • ciboria (structures)
    • credence tables (religious building fixtures)
    • baptismal fonts
    • holy water stoups
    • tabernacles (liturgical containers) [NP] [+]
      • portable tabernacles [+]
      • wall tabernacles
      • rotating tabernacles
    • hanging pyxes [+]
      • eucharistic doves
    • riddel posts
    • font cranes
    • [screens in Christian religious buildings] [+]
      • iconostases [+]
      • altar screens
      • parcloses
      • reredoses (screens) [NP]
      • chancel screens [NP] [+]
      • choir screens
      • organ screens
      • cancellos
      • rood screens [+]
      • pardon screens
      • baptismal screens
    • sacristy cupboards [NP] [+]
      • frontal cupboards
    • holy oils aumbries [NP]
    • baptismal baths
    • rood beams [NP]
    • consecration crosses
    • consecration candlesticks [NP]
    • baptismal font supports [NP]
    • baptismal font stands [NP]
    • baptistery arches
    • credence niches
    • credence shelves
    • [fixtures for seating or kneeling in Christian religious buildings] [+]
      • deacons' benches [NP]
      • [pews and pew components] [+]
      • sedilia [NP]
      • kneelers (furniture) [+]
      • [stalls and stall components] [+]
      • presider's chairs [NP] [+]
      • acolyte seats [NP]
  • Islamic religious building fixtures [+]
    • minbars
    • qibla walls
    • dikkas
    • mihrabs
    • maqsuras
    • müezzin mahfilis
  • ablution fountains
  • [altars and altar components] [+]
    • altars (religious fixtures) [+]
      • high altars
      • freestanding altars [+]
      • confessions (tombs) [NP]
      • asen [NP]
      • boliw [NP]
      • portable altars [+]
      • house altars [+]
      • grave altars [NP]
      • portico altars
      • sarcophagus altars [NP]
      • side altars [+]
      • altar tables
      • ofrendas (altars)
      • acerras (altars)
      • balikkals
    • altar components [+]
      • mensas (altar components)
      • sepulchers (altar components)
      • retables (altar appendage) [NP]
      • tabernacles (liturgical containers) [NP] [+]
      • gradines (altar shelves)
      • altar canopies [NP]
      • altar steps
      • altar frontal frames [NP]
      • altar poles
    • tlalmomoztli
  • chancel screens [+]
    • cancellos [NP]
    • rood screens [NP] [+]
      • tramezzi
  • preaching chairs [NP]
  • [coverings and hangings for religious building fixtures] [NP] [+]
    • parokhets [NP]
    • [coverings and hangings for altars and altar components] [+]
      • dossals (curtains)
      • altar cloths [+]
      • superfrontals
      • tabernacle veils
      • antimensia
      • riddels
      • antependia [NP] [+]
      • paraments
      • altar veils [+]
    • houseling cloths
    • kiswas
    • antependia [+]
      • altar cloths [NP] [+]
      • pulpit falls
      • lectern covers
      • gradine covers [NP]
    • iconostasis curtains
    • cloths of honor
    • Lenten cloths
    • mourning cloths [NP]
  • Japanese religious building fixtures [+]
    • tokonoma [NP]
    • butsudan
  • Jewish religious building fixtures [+]
    • shtenders
    • bemas (ecclesiastical architecture) [NP]
    • mikvehs
  • Indian religious building fixtures [+]
    • Hindu religious building fixtures [+]
      • śikharas [NP] [+]
      • āmalakas [+]
      • candraśālās [+]
      • grīvās [+]
      • prākāras
      • prastaras (entablatures)
      • chādyas
      • bhadras [+]
      • devakulikās [+]
      • ghaṇṭās (building fixtures)
      • jagatīs [+]
      • jaṅghās [+]
      • kapotas
      • karṇas
      • phāṁsanās
      • pīṭhas [+]
      • kundas (wells) [NP]
      • vedikās [+]
      • harmikās
      • chattras
      • pārśvacatuṣkī
      • bhūmikhaṇḍa
      • temple tanks [NP]
    • mallacchādya
    • kakṣāsana [+]
      • mattālamba
  • offertory tables [NP]
  • Pacific Island religious building fixtures [+]
    • atamiras
  • lustral baths
• theater elements[+]
  • parascenia
  • proscenium walls
  • [scaenae and scaenae components] [+]
    • scaenae
    • scaenae components [+]
      • episcenia
      • scaenae frontes
  • proscenium arches
  • stage floors
  • traps (theater elements)
  • gridirons (theater elements)
  • flats (theater elements)
  • periaktoi
  • fly towers
• installations (exhibitions)
• sets (theatrical)[+]
  • film sets
• sports facilities fixtures[+]
  • scoreboards
• public building fixtures[+]
  • post-office boxes
  • sliding poles