Task analysis leads us to posit a third class of relevant processes. Encoding information and integrating it appropriately wouldn’t be useful if the meaning of the material wasn’t understood. In order to create meaning from the stimuli, it must be compared to previously stored information in the long-term memory. Through retrieval, we can comprehend the imported information. The follow three principles address accessing long-term memory, and relevant stored information: Appropriate Knowledge, Compatibility, and Relevance.