Nouns are words that refer to something.
car, desk, butter, person, rock, vinegar, pencil, pin, love, virtue, paper, book, ... They are most frequently used with articles
a, an, the, or possessive adjectives.
a car, my desk, the butter, a person, the rock, ...
Adjectives are words that describe or limit nouns. red, old, open, tall, hard, sharp, ... as in a red car, my old friend, a tall person, an open door, a hard rock, ...
Verbs are words that express actions or states. throw, sing, bounce, rip, find, make, do, toss, give, bring, carry, break, ...
CJ