In contrast, a process-based approach would work with the client to diagram all the factors influencing the client’s experience of stress and worry.

A flow chart, or flow diagram, is a graphical representation of a process or system that details the sequencing of steps required to create output. A ...

At various stages of the process, you’ll need checkpoints with detailed requirements. At a minimum, you’ll need checkpoints at your phases, but you’ll also need others to define smaller steps.