Spacing,
framing,
punctuation,
type style,
layout,
and other nonphonetic structures of difference constitute the material interface of writing.

Traditional literary and linguistic research overlooks such graphic forms, focusing instead on the Word as the center of communication.

Image: Massin, La Mise En Pages, Editions Hoebeke, Paris, 1991.
Text: Lupton et al, Design Writing Research, Princeton Architectural Press, New York, 1996, p.23