Mediaboxes are little elements which are displayed on the left hand side
of the actual page of the edelpaper. They indicate the reader that a
media element is added to a particular page in the document. It's
possible to add a title and a description to mediaboxes. If you do not
want to use media boxes, just select only frame when creating a media
element to your edelpaper.
Positioning a frame
For any additional content you add to a page, you want to define a clickable area on this page (= frame). Frames are highlighted in gray for the reader, as soon as they move the mouse over it. By clicking on this area, external links or videos are ...