One embodiment includes an apparatus, with materials having a text sub file with texts, an illustration sub file with illustrations, and a logic sub file with instructions for presenting at least a part of the materials. One embodiment includes materials with a logic sub file that can analyze an attribute of, and provide a response to, a user. Another embodiment is applicable to apparatus and methods using a limited voice recognition dictionary at least tailored for a piece of materials that includes illustrations. The piece of materials includes instructions. The another embodiment can also use a limited image dictionary. The apparatus can include a headset, and the illustrations can include a piece of audio. The apparatus can be implemented in a vehicle.