That can be walked through
Of passenger carriages in a train, having no doors in gangway connections between the carriages, creating a "see-through" effect through the train.
The process of inspecting algorithms and source code by following paths through the algorithms or code as determined by input conditions and choices made along the way.
A playthrough that details the steps involved in winning the game.
A financial audit that traces a sample transaction through the system to ensure that it is processed and reported correctly.
A theatrical or film rehearsal in which the actors move around the stage or set but are not in costume.