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.
DNS is a network protocol that translates human-readable domain names into IP addresses, enabling internet communication, but this definition lacks a clear connection to software.
External reference — all senses of the word “dns” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.