multiplicity
A specification of the range of allowable cardinality values—the sizes—that a collection may assume. Multiplicity specifications may be given for association ends, attributes, parts within composite classes, repetitions of messages, and other purposes. In principle, a multiplicity is a (possibly infinite) subset of the nonnegative integers. In practice, it is an integer interval. If multiplicity is greater than one, it includes an indication of whether the elements are ordered and unique.
Contrast: cardinality.
See also multiplicity (of association), multiplicity (of part).
Semantics
Cardinality range. Multiplicity is a constraint on the cardinality (size) of a collection. In principle, it is a subset of the nonnegative integers. ...
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