I once asked a director "why do we spike the fine makeup station in three different fine places for the three backstage scenes?" and she replied "because the re

I once asked a director "why do we spike the fine makeup station in three different fine places for the three backstage scenes?" and she replied "because the relationship between the younger actor and older actor changes between those scenes: in the first, the older is a mentor, and in the last, the younger has eclipsed him, so the angle of the station to the audience, literally upstaging the older actor, reflects his metaphorical upstaging during their careers." Not only did that make sense, but it's an example of even the scenery profiting from learning its motivation.