II. Nouns

A noun is a word that refers to a thing or a person or an animal or a place or an idea, or an action.

1) How can you use common Nouns to describe your favourite game?

The name of your favourite game is a common noun. In fact, mentioning all the games that you play are common nouns.

2) How Can You Use Proper Nouns to Describe Your Favourite Game?

Your favourite sports personalities are all proper nouns. If you have mentioned with whom you play games, for instance, the names of your friends, then they are proper nouns.