Project management is the art of coordinating resources and directing uni-disciplinary groups so that the components of work performed by each group accumulates into a multidisciplinary team effort which achieves the desired objectives (or contracted scope of work) on time and within budget.
Project management responsibilities are not reserved for the project manager, but are the proper function of all project supervisors. The project manager, together with his subordinate managers, can be thought to function as synergistic. These managers are the supervisors who organize and integrate the team effort, thereby causing the end result to be of far greater value than the sum of the individual components of effort