The Design of Design (Cambridge Engineering Series) A Book by Gordon Clegg www.amazon.com What the problem is
Architectural screenplays Tschumi began to explore this notion through what he called screenplays: each “screenplay” was a black-and-white diagram breaking down a range of events that might occur inside an architectural space. Tschumi drew them in a way that resembled dance notation or the spatial analysis of a film scene. Geoff Manaugh, A Burglar's Guide to the City Architectural sequences