The book's "deep features" revolve around how pedestrians emotionally and psychologically react to the urban environment.
Cullen developed a graphic vocabulary:
Cullen believed that the city is a sequence of revelations. You do not experience a city from a helicopter; you experience it through a series of . His book is essentially a graphic novel about urbanism, filled with hundreds of his own pen-and-ink sketches and diagrams. gordon cullen concise townscape pdf
Cullen categorises the human experience of the urban environment into three distinct emotional reactions: The book's "deep features" revolve around how pedestrians