Floor, story

Words related to the levels of a building.

• What words refer to the levels in a building?
  floor story level
• What words refer to particular levels in a building?
  basement ground floor first floor second floor upstairs downstairs
• What words refer to stairs and other ways of climbing to a higher level?
  stair step rung (of a ladder) staircase stairway stairwell stairs flight of stairs elevator lift escalator fire escape ladder banister handrail landing ramp