noun A word used to identify any of a class of people, places, or things, such as 'cloth'
verb A word used to describe an action, state, or occurrence, such as 'be cut'
adjective A word used to describe or modify a noun or pronoun, such as 'same'
preposition A word used to show the relationship between a noun or pronoun and other words in a sentence, such as 'from'
article A word that is used with a noun to specify grammatical definiteness of the noun, such as 'the'