This document discusses how signs and symbols can help promote independent communication for those who have difficulty communicating verbally. It explains that signs, symbols, and pictures can provide extra information that is easier to learn and understand than spoken words. This helps individuals build important communication and language skills. The document provides examples of low-tech and high-tech augmentative and alternative communication tools like pictures, illustrations, symbols, and assistive technologies. It discusses how these tools can help people express thoughts, make choices, understand schedules, ask and answer questions, learn about rights and get help, and develop other critical communication abilities.