When and why to choose the purpose of the cultural transmission and/or dissemination device?

A device is the means (medium or media) chosen to make the collected content accessible in such a way that it be understandable for a given public. As a result, its design often requires the following steps: selection, synthesis or popularization, which increase the interest and knowledge of the selected group. For example, if the device is intended for an audience between the ages of 8 and 12, the level of language, the amount of content and its presentation will be adapted so that the knowledge is accessible and understandable by this public.