anchor.diff:  Organisation "  supplier" <-- Order
   
   
  +
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positive.code: 
  Not yet in scope:
  
  * approvals workflow (perhaps: tasks/actors/orgunits/employees)
  
negative.code: 
  abstract class Order #lightgreen {
  }
  note right #lightgray: probably also\nlinks to DocumentSet
  
  class PurchaseOrder #lightgreen extends Order {
  }
  