In Mathematics , a measure is a way to assign non-negative Real Number s to Subset s of a given Set , in order to "measure their sizes or probabilities". See Measure (mathematics) for a treatment of the concept.
In Music , a Measure is a unit of time in Western music usually equalling the Metric unit length. It represents a regular grouping of Beat s, a meter, as indicated in Musical Notation by the Time Signature . Measures are also called ''' Bar s''', since measures are separated by vertical bars (called '''bar lines''') in Musical Notation .
In War , a measure is some tactic used by a Friend or a Foe ; an opposing tactic is called a Countermeasure ; an opposing tactic to a countermeasure can be called a counter countermeasure, etc.
In Politics , especially of a Dictator ial nature, a measure is usually an Euphemism for suppressing a particular perceived Enemy .
In Functional Programming , a measure is a method of proving that a function will terminate.