That’s not a change. From Wikipedia (yeah, I know…)
“In linguistic analysis, a phrase is a group of words (or possibly a single word) that functions as a constituent in the syntax of a sentence, a single unit within a grammatical hierarchy.”
The term “noun phrase”, for instance, is the generic term commonly used to refer to any group of words acting as a noun. So in the sentence “I hate the evolution of language” there are two noun phrases: “I” and “the evolution of language”; the point being that noun phrases are grammatically interchangeable, so you could replace “the evolution of language” with a single-word phrase such as “progress”.
😉