Business Process Re-engineering (BPR) starts with a high-level assessment of the organization's mission, strategic goals, and customer needs. Revisiting the traditional approach of business process and looking at possibilities to refine the process and arrive at a simpler but effective approach to the task in hand.
It doesn't stop at only identifying the possible process, but it involves extensive feasibility testing and making sure that the new process is more agile and robust than what has already been adopted.