walk-through

Noun

• the act of walking in order to view something
  • the realtor took her on a walk-through of the apartment
    

• a first perfunctory rehearsal of a theatrical production in which actors read their lines from the script and move as directed

• a pedestrian passageway through the ground floor of a building

• a thorough explanation (usually accompanied by a demonstration) of each step in a procedure or process
  • she gave me a walk-through of my new duties