A noun is the name of a person, place, thing, or idea. There are different types of nouns including common nouns, proper nouns, collective nouns, abstract nouns, countable nouns, and uncountable nouns. Common nouns refer to general categories while proper nouns refer to specific names. Collective nouns name groups, abstract nouns refer to qualities and states, countable nouns can be counted, and uncountable nouns cannot be counted.

1.  A NOUN IS A NAME OF…
PERSON PLACE THING
EXAMPLE:
1) LAHORE IS A BIG CITY.
2) SHE IS A BEAUTIFUL GIRL.

2. NOUN
COMMON
NOUN
PROPER
NOUN
TYPES OF NOUN
COMMON NOUN:
A name given in common to every person or thing of
same class or kind i.e : boy , girl , city etc.
PROPER NOUN:
The name of some particular person or place i.e : Lahore
,

3.  COLLECTIVE NOUN:
Name of a number(or collection) of persons or things taken
together or spoken of as one whole i.e: crowd, fleet, army, family.
 ABSTRACT NOUN:
The name of quality, action, or state considered apart from the
object to which it belongs; as
Quality: Goodness ,kindness ,darkness ,wisdom.
Action: Laughter, theft, hatred.
State: Childhood , boyhood, slavery, death.

4.  COUNTABLE NOUN:
Names of objects, people, etc. that we can count, e.g.
book , pen , apple , sister .
 UNCOUNTABLE NOUN:
Names of things that we cannot count, e.g. milk
,sugar ,gold ,honesty etc.