Is convention a common or a proper noun?

Answer 1

The noun 'convention' is a common noun, a general word for a set of values or a way of acting or doing things that is widely accepted and followed; a general word for a meeting of persons for a common purpose; a general word for an agreement between countries regarding matters less formal than a treaty; a word for any convention of any kind.

A proper noun is the name or title of a specific person, place or thing; for example, the Cape May Convention Hall in Cape May, NJ or the National Barbie Doll Collectors Convention.