Chapter 8 COMMUNICATIONS. One of the key PM responsibilities is communications. In fact, the PMBOK ® GUIDE defines communications management as one of the Process Areas of Project Management. Four processes are defined as communications processes | PART II RUNNING A PROJECT This page intentionally left blank Chapter 8 COMMUNICATIONS One of the key PM responsibilities is communications. In fact the PMBOK GUIDE defines communications management as one of the Process Areas of Project Management. Four processes are defined as communications processes - communications planning - information distribution - performance reporting - administrative .