In “The image of the city”, Lynch identifies a set of elements that create the image of the city. According to Lynch, imageability is a "quality of a physical object that gives it a high probability of evoking a strong image in a given observer." This quality could therefore be the shape, color or arrangement that facilitates the notion of mental image. But not all qualities necessarily create that vivid, identical and powerful image that Rossi has in mind. The question, however, is what qualities will translate into image capabilities. The study of semiotics is a way to address the question of the mental