Collective noun- a singular noun naming a collection or group Reference- the word, phrase, Or Clause to which a pronoun refers Elliptical clause-a modifying clause whose subject and/or verb is implied Antecedent - the relationship between a pronoun and its antecedent Compound antecedent- two or more nouns and/or pronouns serving the samegrammatical function and followed by a pronoun that references one or all nouns Relative clause- an adjective clause introduced by a pronoun