1. “An adjective describes or modifies a noun or pronoun.” example
This is a black cat.
Black is adjective that describe noun(cat).
2. “A verb shows an action, occurrence, or state of being.” Example
I play the cricket.
Play is a verb
3. “Nouns are the names of people, places, things, or ideas.” Example
Pakistan is a beautiful country
The word Pakistan is a noun
Like another example
Lion is a wild animal.
So Lion is noun