Patent attributes
Different methods and apparatuses applicable to prepare materials for a user. One embodiment includes a device, with an imaging sensor. Based on analyzing a user attribute from the imaging sensor monitoring the user, the device can identify and access an area of the materials for the user. The area includes a section, and the device can layout the section by keeping a piece of text together with an illustration to be displayed in at least two screens of different sizes. Another embodiment includes materials with a text sub file with texts, an illustration sub file with illustrations, and a logic sub file with instructions to prepare materials for the user. Either the text or the illustration sub file can include position information linking at least an illustration to a corresponding piece of text. Annotations could be added to the materials.