The Project Manager's position is one of the most difficult to fill. Understanding what processes are to be employed in a project, how they are interconnected, what their inputs and outputs are, and what tools and approaches are advised for their effective execution is critical to project success. This necessitates a deep awareness of the 10 knowledge domains (such as scope, time, money, risk, and quality), as well as the five process groups (initiating, planning, executing, monitoring & controlling, and closing), as well as the places where these processes are most active.