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.
A beam is a structural element within a building, occupying space and governed by physical laws, which is designed to support weight and withstand forces.
External reference — all senses of the word “beam” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.