ব্যাখ্যা : A proper noun is a noun that serves as the name for a specific place, person, or thing.Ex: Dhaka, Kamal, Gitanjali.
An abstract noun is a noun that refers to something non-physical—something conceptual that you can't perceive directly with your senses. Examples include “sadness,” “freedom”,”kindness”, “adulthood”.
A common noun is a noun that describes a type of person, thing, or place or that names a concept.Ex: dog, girl, river , country.
A material noun is a type of noun that refers to physical matter. It can be either countable or uncountable. For example, Gold, Silver, coal, rock, water, sunlight, leather, wood, sand, air, etc. [তথ্যসুত্রঃMASTER English]