A. It defines how value flows through the system.

B. It helps Service Request Manager track the percent completeness of a work item.

C. It provides a mutual understanding of when the work is considered to be started and finished.

D. It makes handoff policies explicit by defining clear quality gates between the development stages.

E. It is used as a checklist of all the states that every work item should go through before it is considered to be done.

F. It creates transparency over the Work in Progress (WIP) limiting rules.