Part 4: Basic Communication - Customizing the Vocabulary In this 40-minute video, David and Jennifer will take you on a tour of the Basic Communication Vocabulary. You will learn about the different levels of Basic Communication, including Sentence Starters, Page Up and Page Down button and the Home Button. Please note, viewing these videos does not qualify as attendance and will not be applied to the requirements for our Proloquo2Go trainer certificate or CEUs. However, if you want to obtain a trainers certificate you should watch these webinars at http://www.assistiveware.com/webinars where we can record your attendance.