“What Derrida's analysis shows is the convoluted structure of parergonal divisions. On several occasions he uses the term "invagination" for the complex relation between inside and outside ("Living On," p. 97). What we think of as the innermost spaces and places of the body - vagina, stomach, intestine - are in fact pockets of externality folded in. What makes them quintessentially inner is partly their difference from flesh and bone but especially the space they mark off and contain, the outside they make inner. As external frame may function as the most intrinsic element of a work, folding itself in; conversely, what seems the most inner or central aspect of a work will acquire this role through qualities that fold it back outside of and against the work. The secret center that appears to explain everything folds back on the work, incorporation an external position from which to elucidate the whole in which it also figures.”