PODD is based on the paper templates for the Pragmatic Organisation Dynamic Display (PODD) communication book. It parallels the one-page PODDs with expanded functions. The grid set development has been checked, modified and amended at every step by Gayle Porter, the creator of PODD. PODD 15 school has similar range and placement of vocabulary to the 12 expanded functions PODD communication book. Predictably associated vocabulary supports the production of 3-4 key-word sentences. The PODD 15+ versions include the range of vocabulary included in the 20 expanded functions PODD communication book. This grid set also has extra predictably associated vocabulary for partners to use to produce more grammatically complete sentences. Predictably associated vocabulary is located on automatically closing pages linked from a single cell.