It is important for a project manager to have a better understanding of the processes involved with successful project management. By more clearly explaining process inputs and outputs, data flow diagrams-which replaced process flow diagrams-and the relationships between these processes, the project manager will have a better understanding of how to use these tools to his or her benefit.Another important thing is the distinction between the project management plan and the various project documents the project manager may utilize in helping manage the project.We have over 40 project management templates and forms to help you accomplish more with less.