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 toe is a biological structure that emerges from the organization of foot and organ, serving as a foundation for movement and support, as the foot provides a base for the toe to function and interact with the environment.
External reference — all senses of the word “toe” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.