walk-through

(noun) a thorough explanation (usually accompanied by a demonstration) of each step in a procedure or process. Example: "She gave me a walk-through of my new duties."

(noun) a pedestrian passageway through the ground floor of a building.

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

(noun) the act of walking in order to view something. Example: "The realtor took her on a walk-through of the apartment."

(verb) perform in a perfunctory way, as for a first rehearsal. Synonyms: walk through.