The act of rehearsing or contriving something; the fact of something's being rehearsed.
A preparatory activity analogous to the rehearsal of a show.
The practicing of something which is to be performed before an audience, usually to test or improve the interaction between several participating people, or to allow technical adjustments with respect to staging to be done.
That can be walked through
Of passenger carriages in a train, having no doors in gangway connections between the carriages, often in combination with longitudinal seating, creating a "see-through" effect through the train.