A business process or business method collection of related, structured activities or tasks that produce a specific service or product (serve a particular goal) for a particular customer or customers. It often can be visualized with a flowchart as a sequence of activities.

Steps of Business Process Re-Engineering:
1-Evaluation of the existing process
2-Specification of the needs related to business processes
3-Planning  and designing of new procedures
4-Support to  Implementation of  changes