Which of the following statements most accurately describe a WBS, network diagram and schedule? Select one: The WBS is not a schedule, but it is the basis for it. The network diagram is a schedule but is used primarily to identify key scheduling information that ultimately goes into user-friendly schedule formats, such as milestone and Gantt charts, The WBS is a schedule as it identifies 100% of the work that needs to be completed. The network diagram is not a schedule but is used primarily to identify key relationships between project activities