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.
Plein Air in visual arts involves the dynamic interaction of light, space, and art, where artists create works outside the confines of a studio, capturing the effects of natural light on their subjects.
External reference — all senses of the word “plein air” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.