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The words that is used to identify the name of a person, bird, animal, place, thing etc. is known are called nouns. In plain language, the words that convey the name of a person, creature, object, place and feelings are called nouns.
Examples: Australia, Beas, Girl etc.
Specfic Noun or Personal Noun –
The words that is used to identify the name of a particular person, living being, particular object, particular place is known are called specific nouns, such as :- Marie curie, London, Paris, Titanic, etc.