Article / Updated 03-26-2016
The project management plan is the guiding document you'll use to manage, control, and close your project, and it's dynamic — it'll change throughout the project life cycle. The project management plan acts as an input to the initial planning process in each knowledge area.
You may ask yourself, "How can this be an input to the initial planning process if outputs from planning processes are inputs to the Develop Project Management Plan process?