This document discusses communication styles and organizational structures. It begins by defining interpersonal communication and noting that communication is behavior that affects professional and personal life. It then discusses organizational structures, noting that structure determines how communication flows and what policies will be. Current trends include streamlining management layers, team-based structures, and making teamwork important. The document also covers principles of organization design, organizational communication patterns, and the impact of digital technologies on communication. It provides tips for active listening, planning messages, and using different response styles situationally.