When Multiple Users Are Contributing and Changing Documents,schedules,task Lists,assignments,and So

Multiple Choice

When multiple users are contributing and changing documents,schedules,task lists,assignments,and so forth,one user's work might interfere with that of another.Also,it is important to know who made what changes,when,and why.Which aspect of collaboration is being discussed here?

A) content management
B) workflow control
C) communication system
D) feedback process