This document provides an overview of key concepts from Chapter 1 of the textbook "ENG 2013 COMMUNICATION SKILLS". It defines communication as the process of using messages to generate meaning. The components of communication include people, message, channel, feedback, code, encoding/decoding, situation, and noise. Different contexts of communication are discussed, including intrapersonal, interpersonal, public, mass, and digitally mediated communication. Principles of communication and characteristics of competent communicators are also outlined.