Each concept here is mapped to its prerequisites — the ideas you'd need first to understand it — all the way down to four foundations: Space, Time, Energy, Pattern. Click any prerequisite to drill down, or scroll for the chain graph.
Backstage is a designated area in a theater building where performers and technical elements are present, out of audience view, and where actions such as preparation, waiting, and access to technical elements occur.
External reference — all senses of the word “backstage” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.