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 mental representation of a thought or notion arises from the causal relationship between a stimulus, perception, or experience and the cognitive processing of that information, which itself is a transformation of state.
External reference — all senses of the word “idea” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.