It is a general name of person, place, animal, thing or event.

Which of these following words are examples of proper noun?

Which of these following pictures is NOT an example of a thing?

It is a specific name for the person, place, animal, thing or event.

Arrange the following common nouns in alphabetical order.

Common nouns are general name of a person, place, animal, thing or event while proper nouns are specific name of person, place animal, thing or event.