David Gossling emphasizes on forces which controlled the form of cities. These are economic, politic and social forces which are necessary to reach some general definitons of forms.
The moden movement describe city with the functionalist view that divides city by functions and classifies city by dominant activities.Then, the city becames machine for living.
David Gossling considered that architecture is principal for cunstruction of the city. So during the research he gives examples about buildings which build in different terms.
İn the different cultural periods and locations, the different typologies determine the city, such as infrastructure, transportation networks and open spaces.
İn history, Different major concerns caused future direction of urban design to acquare differentcharacters.