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<h4 id="vfscenario">vf:Scenario</h4>
<p>A Scenario is used as a grouping mechanism for flows.  It is a loose concept, and can support many situations.  It can be defined by a ScenarioDefinition.  It can contain Plans, Processes, Intents, aggregated EconomicEvents.  A Scenario can also be nested in itself, to support continued zooming out to less detail.  The uses below are some but probably not all of the possibilities.</p>
<h4 id="vfplan_1">vf:Plan</h4>
<p>When Plans (which are operationa