walk-through (n.)

  1. 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'

  2. a pedestrian passageway through the ground floor of a building

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

  4. the act of walking in order to view something; the realtor took her on a walk-through of the apartment'

The dictionary is based on the WordNet Electronic Lexical Database.
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