For the functions marked (auditing and leading; review and decision) the body sets the criteria for this item and how deep the knowledge and skill must go. The person understands what the organisation must communicate externally, understands structures, cultures and communication methods, and can judge whether the organisation meets the communication objectives required of it. Decision makers do not need category-specific competence here.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.