The first step in creating a corporate business process model is to determine the boundaries of the corporation. Corporations interface with external entities, so to determine the boundaries of the corporation, you must identify and manage these interfaces.
But defining business processes effectively requires a model - a universal way to represent tasks and processes. Many representations exist that would work well; however, we prefer the Integration Definition for Function Modeling (IDEF0). This model was developed for the U.S. Air Force and is nonproprietary and general enough to handle