Integrity is what professionalism rests on. Auditors, and those who manage an audit programme, should: carry out their work honestly, responsibly and ethically; take on only auditing work they have the competence to do; work impartially, staying fair and even-handed in every dealing; and stay alert to any pressure that could sway their judgement during an audit.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.