The records system has to include the documented information the standard requires and any further documented information the organization decides is needed for the system to work. The 2019 edition removed the earlier list of mandatory statements and the requirement for documented procedures, so the organization now chooses the form and amount, except where a clause explicitly requires documented information. The choice has to be justified by effectiveness, not by habit.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.