Project Communications Management Knowledge area provides a critical link between people, ideas, and information at all stages in the project life cycle. Project Managers should be spending about 90% of their time communicating. Formal processes aid in decision making and help to achieve a successful project.
The important point is that all communication should be effective, accurate, and considerate of project requirements. The project communication processes provide a methodology for successfully implementing your project communications strategy. In addition to assuring stakeholders are informed and involved in the project.