This document provides a summary of business communication skills and strategies. It discusses effective communication channels, listening skills, verbal and non-verbal communication, feedback, telephone skills, negotiating skills and how to say "no" assertively. The key topics covered in 3 sentences are: It discusses the importance of communication in business and provides tips for effective speaking, listening, feedback, telephone usage, negotiation strategies, and how to decline requests assertively while maintaining positive relationships. The document also outlines various communication channels, barriers, and best practices for internal and external business interactions.