The organization should settle what the plan will cover. The coverage depends on several factors, among them: what customers and other relevant interested parties require; the kinds of products and services to be delivered; the organization's processes and the quality characteristics of each; the resources needed to reach the intended results; and how far an established quality management system supports the plan. Going over the scope with the customer or with other interested parties that are relevant can be worthwhile.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.