w. It also can be defined as an independent demand of a Plan, meaning it is creating what the plan is for.  It can be a clause of an Agreement, even if also an input or output of a Process.  It references something to define a current or future resource, often a ResourceSpecification, but sometimes an existing EconomicResource if that exists and is important, usually because it is one-of-a-kind. Like all flows, it references an Action that defines its effects on the resource.  It can satisfy one or more Int