Figure 9: This Matrix kicked off a wonderful conversation with the team and family as the unaided and aided AAC tools and systems enhanced his communication in different ways with different partners. The “P” indicated in level VII are his pre-programmed messages, used strategically, so that the learner could be a more efficient communicator. This image is reprinted with permission and is a representation of the printed version of the Communication Matrix (Rowland, 2004).