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 and cannot stand alone as a sentence. A clause is defined as a group of words containing both a subject and verb, and can stand alone as a sentence if it is an independent clause. The document outlines different types of phrases such as prepositional, adjective, and adverb phrases and provides examples. It also discusses independent and dependent (subordinate) clauses.