This document discusses various forms of informal oral communication, including informal talking and listening, interviewing people, conducting and participating in meetings, and using the telephone. It provides tips for each type of communication. For informal talking, it discusses elements like voice quality, talking style, word choice, and adaptation. For listening, it offers ways to improve listening ability such as stopping talking and removing distractions. For interviewing, conducting meetings, and telephone etiquette, it provides guidelines and techniques for effective communication.