The chapter aims at providing a framework to the content collected in the book and, in particular, it investigates the mutual and influential relationship between representation and urban design. This topic represents the core activity and is at the very basis of the main approach developed by the research structure Laboratorio di Simulazione Urbana ‘Fausto Curti’ at the Department of Architecture and Urban Studies of the Polytechnic of Milan, where physical and digital simulation is interpreted as the anticipation of future urban environments from a perceptual and experiential point of view. In fact, the entire book deeply explores the topic of urban simulation from different perspectives and in an interdisciplinary way. This chapter prese...