Noun

 Noun - A noun is the name of the person, place or things.

Or

Noun is the name of anything.

Example

1. Ram is a good student. 

Ram is the name of person and Ram is a also noun.

2. The sun rises in the east.

In this sentence Sun is a noun.

3. Delhi is the capital of India.

Delhi is the name of place and it is also noun.