manifoldness; multiplicity; the quality of being many.
The state of being made of multiple diverse elements.
The number of values for which a given condition holds.
The condition of a single body/person displaying multiple distinct personas.
A large indeterminate number.
The number of instances that can occur on a given end of a relationship, including 0..1, 1, 0..* or *, and 1..*.
The number of microstates associated with a given macrostate.