Located inside something, such as a body, object, system, or organization; relating to the inner part rather than the outside.
From Latin *internus* “inward, internal,” related to *interior* “inner, deeper within.” It entered English through Late Latin and French, keeping its sense of “inside.”
“Internal” doesn’t just mean physically inside—it also covers hidden systems like company politics or your private thoughts. The most powerful changes often start internally long before anyone sees them on the outside.
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