Communicative visuals, including written text, have a diverse range of forms and purposes. In this volume, the authors show that it is possible to both describe and explain the major properties of diverse visual-communication forms and purposes within a common theoretical framework of information design and ethics. For those unaccustomed to thinking of written text as a visual form belonging to the same general class as other visual forms (colour, texture, shape, imagery, etc.), consider how a text's readability suffers if we remove all white space and punctuation, which can be identified...