What do proper nouns mean? How to use it?

It is a proper noun for a specific person, place, etc. One corresponds to one, such as human life, holiday name and so on. Generally speaking, proper nouns are not preceded by the definite article the. However, definite articles should be used before place names such as rivers, oceans and mountain islands; Before proper nouns consisting of more than two common nouns, definite articles are usually used.