Noun

  It's not easy to describe a noun. In simple terms, nouns are "things" (and verbs are "actions").

  Like food. Food (noun) is something you eat (verb).
     Or
happiness. Happiness (noun) is something you want (verb).

Another example is "human being"". A human being (noun) is something you are (verb).

   What are Nouns?

The simple definition is: a person, place or thing, teacher, school, book

  Types:

Countable Nouns, dog/dogs.
Uncountable Nouns : rice, hair(s)

Proper Nouns (Names)

Do we say "Atlantic Ocean" or "the Atlantic Ocean"? Should I write "february" or "February"?
Shirley, Mr Jeckyll, Thailand, April, Sony

Possessive 's

Adding 's or ' to show possession.
John's car, my parents' house

Noun as Adjective

Sometimes we use a noun to describe another noun. In that case, the first noun is "acting as" an adjective.
love story, tooth-brush, bathroom