Hypergraphy

Hypergraphy, also called hypergraphics and metagraphics, is a method, central to the Lettrist movement of the 1950s, which encompasses a synthesis of writing and other modalities. Isidore Isou, the founder of Lettrism, said that "Metagraphics or post-writing, encompassing all the means of ideographic, lexical and phonetic notation, supplements the means of expression based on sound by adding a specifically plastic dimension, a visual facet which is irreducible and escapes oral labelling..."