What is noun? What are the types of noun?

Noun is a naming word.
In another words, Noun is a word that refers the name of any person, place or thing.
Noun can be divided into five types.
1. Proper Noun: Proper noun is the particular name of person and place.
 Example: Rita is a meritorious girl.
Here Rima is a proper noun.
2. Common Noun: Common noun refers to the specific class or nation of person and place.
Example: Rima is a meritorious girl.
Here girl is a common noun.
3. Collective Noun: Collective noun refers to a group or collection of similar individuals or animals.
Example: Julekha is the first girl in the class.
Here class is collective noun.
4. Material Noun: Material noun refers to the element of which things are made.
Example: This ring is made of gold.
Here gold is material noun.
5. Abstract Noun: Abstract noun is the name of  quality, action or state considered apart from the state to which it belongs.
Example: Honesty is the best policy.
Here honesty is abstract noun.