#storey__floor__level__story  structure consisting of a room or set of rooms comprising a single level of a multilevel building; "what level is the office on?"
  supertype:  #physical_structure__structure__construction  a thing constructed; a complex construction or entity; "the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons"
  part of:  #edifice
  subtype:  #cellar__basement  the lowermost portion of a structure partly or wholly below ground level; often used for storage
     subtype:  #cellarage  a storage area in a cellar
  subtype:  #ground_floor__first_floor__ground_level  the floor of a building that is at or nearest to the level of the ground around the building
  subtype:  #garret__loft__attic  floor consisting of open space at the top of a house just below roof; often used for storage
     subtype:  #cockloft  a small loft or garret
     subtype:  #hayloft__mow  a loft for storing hay
  subtype:  #loft  floor consisting of a large unpartitioned space over a factory or warehouse or other commercial space
     subtype:  #artist's_loft  a factory loft that has been converted into an artist's workroom and living area
  subtype:  #mezzanine_floor__mezzaninefloor__mezzanine  intermediate floor just above the ground floor

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