This document discusses effective communication for safety. It defines communication as the sharing of ideas and information with others in a way that ensures understanding. Communication is a two-way process of sending and receiving messages. The purpose of communication includes providing necessary information, recognizing good performance, preventing misunderstandings, and addressing fears or concerns. Effective communication relies on understanding the audience and using the appropriate tone, language, and visual aids to convey the right message clearly and briefly. Listening is also an important aspect of communication.