This document discusses morphology and morphemes. It defines morphology as the study of word structure and formation. A morpheme is the smallest meaningful unit in a language. There are two types of morphemes: free morphemes, which can stand alone as words, and bound morphemes, which must be attached to other morphemes or words. Free morphemes are further divided into lexical morphemes, which have their own meanings, and functional morphemes, which have grammatical functions. Bound morphemes include affixes and are divided into derivational morphemes, which can change a word's meaning or class, and inflectional morphemes, which indicate grammatical functions without