The management system must contain the documented information the standard calls for and whatever further documented information the organization decides it needs for the system to work effectively. How much is needed depends on the organization's size, on the nature of what it does and delivers (strategies, plans, programmes, projects, products, services and other activities), on how complex its processes are and how they interact, and on how competent its people are.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.