How are Value Drivers used when creating a Value Tree?

A.
The Value Tree is derived from the Value Profile after prioritising the Value Drivers

B.
Value Drivers describe the physical elements of the project in the Value Tree

C.
Primary Value Drivers are linked to statements describing design considerations which in
turn are linked to a statement of objectives

D.
Value Drivers are linked (as roots) to a statement of SMART objectives (the tree trunk)