Noun is the simplest part of speech in English Grammar. That is why the very first thing that we study in Grammar is Noun.
The literal meaning of noun is “name”. Hence, they are also known as Naming words. Based on the meaning, noun can be defined as the name of all living and non-living things in the Universe. Any person, place, thing ,animal, etc. are considered as Nouns.
Eg:- man, earth, cow, Delhi, water, Krishna, book, food, etc.