A Noun is the name of a person, place or thing like Peter, Canada, table etc.
Nouns are of two types:
1. Common Nouns: Words used for class of person, place or thing like boy, city etc.
2. Proper Nouns: Names of a particular person, place or thing like John, Africa etc.
Common nouns are further classified into:
1. Abstract nouns: Things which we cannot see or touch like bravery, love etc.
2. Collective nouns: Word used to describe a group like team, flock etc.
3. Compound nouns: Noun made up of more than one word like water bottle, brother-in-law.
4. Concrete nouns: Things which we can see or touch like stars, plants etc.
5. Non-countable nouns: Things we cannot count like hair, food etc.
6. Gender nouns: Words which are used for males or females like niece, lion etc.