This document discusses adjective clauses. It defines an adjective clause as a dependent clause that modifies a noun by describing, identifying, or providing further information about the noun. An adjective clause consists of a relative pronoun like that, which, who followed by a verb and sometimes an object. Examples are provided to illustrate adjective clauses using that or which for things and who or that for people. The examples show how the adjective clauses add identifying or descriptive information about the nouns they modify.