Business process re-engineering is the analysis and design of workflows and processes within an organization.
According to Davenport (1990) a business process is a set of logically related tasks performed to achieve a defined business outcome.
Re-engineering is the basis for many recent developments in management. The cross-functional team

Cross-functional team

A cross-functional team is a group of people with different functional expertise working toward a common goal. It may include people from finance, marketing, operations, and human resources departments. Typically, it includes employees from all levels of an organization...

, for example, has become popular because of the desire to re-engineer separate functional tasks into complete cross-functional processes.