Clause 6.5 deals with the specified requirements and criteria. The subject is the criteria a product has to meet for a statement to be made. A programme that meets the clause has written criteria, a version for each, and a record of what evidence demonstrates each one. The criteria are what the assessment in clause 6.7 tests against.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.