In a Venn diagram, each circle represents a:

A) copula
B) quantifier
C) term
D) complete proposition
E) truth value

Copula

In logic and grammar, a word or expression that links the subject of a sentence to a predicate, such as "is" in "The sky is blue."

Quantifier

A symbol or word used in logic and mathematics to specify the quantity of subjects to which a statement applies.

Complete Proposition

A statement or assertion that conveys a complete thought or idea, typically containing a subject and predicate that make a declarative statement.