The status of being cardinalitial
The number of terms that can inhabit a type; the possible values of a type.
The number of elements a given set contains.
The property of a relationship between a database table and another one, specifying whether it is one-to-one, one-to-many, many-to-one, or many-to-many.
The result or product of being operative.
The state or quality of being operative.