DEFINITIONS.
CLASSES OF NOUNS.

+A Common Noun is a name which belongs to all things of a class+.

+A Proper Noun is the particular name of an individual+.

CLASSES OF PRONOUNS.

+A Personal Pronoun is a pronoun that by its form denotes the speaker, the one spoken to, or the one spoken of+.

+A Relative Pronoun is one that relates to some preceding word or words, and connects clauses+.

+An Interrogative Pronoun is one with which a question is asked+.

+An Adjective Pronoun is one that performs the offices of both an adjective and a noun+.