The document discusses communication, defining it as the transmission of information between people through words and actions. Effective communication occurs when the intended message is understood, and involves understanding others, stimulating action, and encouraging new ways of thinking. Barriers to communication include semantics, distractions, status differences, emotions, perceptions, lack of feedback, and poor listening. To improve communication, one should learn to provide feedback, be sensitive to others, listen to understand, use clear language, choose the right channel, and practice supportive listening.