In choosing an indicator the governing body should start from the decision or assessment it is to inform and the purpose and principle it relates to, consider the materiality of the information to its decisions, the stakeholders affected, the risk appetite and tolerance, the available data and its uncertainty, and the cost of measurement, and prefer indicators that are meaningful over those that are merely available.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.