This document provides an overview of professional communication skills for supervisors. It is divided into 6 lessons: 1) verbal and nonverbal communication, 2) effective listening, 3) communicating in difficult situations, 4) expressing appreciation, 5) internal and external communication, and 6) written communication techniques. The document discusses the importance of both verbal and nonverbal communication skills in a professional setting and provides tips for proper communication, listening, expressing appreciation, and writing business communications.