Augmentative and alternative communication: An introduction to different AAC systems and strategies that can be used to increase communication competence and participation of individuals with complex communication needs. Assessment and implementation of AAC strategies with various groups of individuals, e.g. beginning communicators, graphic symbol users, as well as individuals with acquired conditions. Feature matching of various AAC devices and systems with application to case studies. Unaided communication: An overview of as well as the application of unaided communication methods such as sign language, finger spelling, natural gestures and keyword signing.