Urban imagery Metaphors, rhetoric and images in the urban projects

The paper will treat of the role of communicative and imaginative sketches, diagrams and maps of the architect in the reading and the project of the city. As a meta-design graphic expression they help to overcome the difficulty of the design course and trigger a process of discussion between various parties, various city-actors, that communicate with each other at different times, at different levels and different ways to build a shared vision of the city. Rather than make explicit the venustas, they suggests it, they imagine it. In any case, the transition from reality to its simplification produces graphic images which are no longer analogic replica of the thing it represents, but interpretation actions that assume,therefore, an “expert knowledge”