uantity; in EconomicEvent, Commitment, Intent, RecipeFlow, resourceQuantity, effortQuantity.  Measure is a numerical value plus a Unit. More info at <a href="../external-terms/#quantities-and-units">Use of Other Vocabularies</a>.</p>
<h4 id="vfunit">vf:Unit</h4>
<p>It is very helpful for interoperaability that the same units of measure are used as networks communicate.  VF uses units defined by OM2, with some additional properties. More info at <a href="../external-terms/#units-of-measure">Use of Other Voca