Core communication board using PCS symbols. One page board based on TD Snap 8x10 grid layout. Includes the 36 core words from the Universal Core Vocabulary, which have been identified and prioritised by the Center for Literacy and Disability Studies. You can find more information and the original systems on the project core website. PCS and Boardmaker are trademarks of Tobii Dynavox LLC. All rights reserved. Used with permission.