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.
Lubrication is a process that aims to reduce friction between moving parts, often achieved through the application of a substance or mechanism, but a more precise definition requires a deeper understanding of design principles.
External reference — all senses of the word “lubrication” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.