How to optimizes the work as The Product Owner？ （More than one answer)A.Clearly expressi

How to optimizes the work as The Product Owner？ (More than one answer)

A.Clearly expressing Product Backlog items;

B.Optimizing the value of the work the Development Team performs;

C.Ensuring Scrum is understood and enacted;

D.Telling the team how to turn Product Backlog into Increments of potentially releasable functionality;