Principle 4 expects a bank that has identified its critical operations to map what each one depends on, inside and outside the bank, in line with its resilience approach. The three lines identify and document the people, technology, processes, information and facilities involved, and the connections and dependencies among them, including those that sit with third parties or under group arrangements.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.