A noun is the (word) name of everything i.e. People, places, animals, birds, insects, things etc.
Kinds of Nouns according to their functions:

A word that is used in place of a noun is called Pronoun. eg. I/You/We/He/She/They/It etc.
Following are kinds of Pronouns:

A verb is a word used to express an action or state. eg. Boys play, I eat an ice-cream, Birds fly.
There are three kinds of verbs:

An adverb is a word used to add something more to the meaning of a verb, an adjective & another verb. eg. He ran fast, She speak loud.
There are different kinds of adverbs:

An adjective is a word used to add something more to the meaning of a noun. e.g. The tree is tall, A girl is beautiful. The parrot is green.
There are six types/kinds of Adjectives.

A preposition is a word used with a noun or pronoun to show the person, a thing, denoted by the noun or pronoun, stands in relation to something else. eg. The book is on the table, The school is near the temple.
There are three types of Prepositions:

A conjunction is a word used to join two words or sentences. eg. One and one makes two, The girl is poor but honest.
Types of conjunctions are:

An interjection is a word used to express sudden emotions/feelings. Wow ! It’s so beautiful, Oops ! I missed the train, Oomph ! She is beauty. Expressing – energy enthusiasm i.e. sexual appeal.
Interjections are connected grammatically with other parts of sentences.