This document provides information about phrases and clauses. It defines a phrase as a group of related words that does not contain both a subject and verb, while a clause contains both a subject and verb. Phrases are used as parts of speech, while clauses can express a complete thought. The document gives examples of different types of phrases, such as prepositional phrases and adjective phrases. It also distinguishes between independent clauses, which can stand alone as sentences, and dependent clauses, which cannot.