Time processes aim to establish how activities depend on each other and how long they take, and to see that the project finishes on time. They are: planning activity dependencies (7.4.2); estimating durations (7.4.3); developing the schedule (7.4.4); and controlling the schedule (7.4.5).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.