China proper | noun | The Noun Project | "Share" from The Noun Project | Proper time | Proper plantar digital nerves of medial plantar nerve | Proper plantar digital nerves of lateral plantar nerve | Proper Filthy Naughty | Proper Crimbo | Noun | Necessary and Proper Clause | Mason Proper | common noun | China Proper | ''A Treatise of the Pleas of the Crown: or a system of the principal matters, relating to that subject, digested under their proper heads | Adjectival noun |
A Common Noun is a noun which refers to a class of entities such as city, planet or person, or non-unique instances of a certain class a city, another planet, these persons, as distinguished to a proper noun, which refers to a unique entity such as London, Jupiter, Sarah.
A proper noun or proper name is a noun representing unique entities (such as Earth, India, Jupiter, Harry, or BMW), as distinguished from common nouns which describe a class of entities (such as city, animal, planet, person or car).