A phrase is a short group of words that people often use as a way of saying something. The meaning of a phrase is often not obvious from the meaning of the individual words in it.

A phrase is a small group of words which forms a unit, either on its own or within a sentence.

If you phrase something in a particular way, you express it in words in that way.

If someone has a particular turn of phrase, they have a particular way of expressing themselves in words.