How Does a Process Map Facilitate a Common Understanding of the Order

How does a process map facilitate a common understanding of the order management process?

A) Managers share the process map with the firm's customers.
B) The process map of the Order Management Process is the same map as that for the whole Supply Chain.
C) All people involved in the order management system base their views on the same information.
D) The process map is another name for a customer order.
E) All of these options facilitate a common understanding.