An SvcV-2 model must show services and the activities they perform together with the resources those activities produce and consume, presented by service and then by service part. It may only use services and activities already defined in the matching SvcV-1 model, though it may examine their parts more closely and give extra weight to the guidance that constrains them.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.