Business process reengineering involves

radically redesigning and streamlining how an activity is performed, with the intent of achieving quantum improvements in performance.

redesigning an organization's structure and overall value chain in an effort to enhance core competencies and rapidly create competitively valuable capabilities.

making effective use of Six Sigma techniques to streamline the workflow and$/$or work steps in performing a particular value chain activity.

expediting the redesign of existing products and getting new and improved products into the marketplace more quickly.

repairing the flaws and inefficiencies of operating with many geographically scattered organizational unit pieces of strategy$-$critical activities out of geographically scattered work groups and creating a single wor geographic location to take charge of a particular value chain activity and perform it better or cheaper.