The term terminology referred to the vocabulary of a particular field, profession, or theme.

In 2268, James T. Kirk clarified the term "warp speed" to a confused Odona as "space terminology". (TOS: "The Mark of Gideon")

In 2374, Weyoun criticized Jake Sisko's reports for the Federation News Service on Deep Space 9's occupation by the Dominion, saying they were filled with pejorative terminology, and explained that he therefore was withholding their transmission. (DS9: "A Time to Stand")