This document discusses departmental communication in an organization. It covers communication barriers like linguistic, cultural, technological barriers. It also discusses the needs for departmental communication like building trust, increased efficiency, avoiding conflicts. The document then provides various ways to improve communication between departments like preventing teams from working in silos, having regular departmental meetings, using communication tools to share information. It also talks about different types of formal communication methods used in organizations like newsletters, circulars, notices, memos etc.