‘Is the linguistic message constant? Is there always something textual within, beneath, or around the image?
In order to discover images without words, we must doubtless go back to partially analphetic societies, i.e., to a sort of pictographic state of the image; actually, since the advent of the book, the link between text and image is frequent; this link seems to have been studied very little from the structural point of view.
What is the signifying structure of ‘illustration’? Does the image duplicate certain items of information in the text, by a phenomenon of redundance, or does the text add a brand-new item of information to the image? ‘… – Roland Barthes