Augmentative and alternative communication (AAC) is a type of communication that helps individuals with speech and language difficulties to communicate their thoughts and ideas. The use of AAC includes tools and strategies, such as sign language, picture communication boards, and voice output devices. Synonyms for AAC include assistive communication, alternative communication, communication assistance, communication aid, augmentative communication, and non-verbal communication. These synonyms highlight the importance of communication for individuals with disabilities and the various ways in which they can express themselves. By utilizing AAC and its synonyms, individuals with disabilities can overcome communication barriers and stay connected with the world.