A MetricDefMeasure, MetricDefMeasureThresholdRule or even MetricDefMeasureConsequence might applicable only during certain periods.<br/>In this case, the MetricDefMeasureApplicability is used to specify in detail each applicable period.<br/>The MetricDefMeasureApplicability represents the time of day or days during which a MetricDefMeasure, MetricDefMeasureThresholdRule or even MetricDefMeasureConsequence are measurable or not.<br/>The applicableCode attribute Indicates whether an instance represents applicability or un-applicability.<br/>