Business process reengineering is a tool for

expediting the redesign of existing products and shortening the design$-$to$-$market cycle.

radically redesigning and streamlining how an activity $($workflow$)$ is performed, by pulling the pieces of strategy$-$critical activities out of different departments and unifying their performance in a single department or cross$-$functional work group.

instituting total quality management.

making the most effective use of Six Sigma techniques.

$($E$)$ the rapid redesign of an organization's structure so as to quickly create organizational competencies and capabilities.