LAMP Words for Life is a language system created for the iPad by Prentke Romich Company. It can be purchased on the app store https://apps.apple.com/ca/app/lamp-words-for-life/id551215116.
This video is not a comprehensive explanation of semantic compaction or motor planning--to learn more about these things, check out the PRC-Saltillo website: https://www.prentrom.com/prc_advantage/lamp-words-for-life-language-system?autologin=
