A phrase is a sequence of words that forms a meaningful unit within a sentence. It can be a group of words that functions as a grammatical unit, such as a noun phrase or a verb phrase. Phrases can also be used to express a particular idea or concept, such as "in the long run" or "once in a blue moon."
Here are some examples of phrases:
* "The cat sat on the mat" is a phrase that functions as a sentence.
* "The big black cat" is a noun phrase.
* "Ran quickly" is a verb phrase.
* "In the land of dreams" is a phrase that expresses a particular idea.
Phrases can be used to add variety and interest to writing, and they can also be used to make sentences more concise and clear.