When, how and why do clothes become fashion? Fashion is more than mere clothing. It is a moment of invention, a distillation of desire, a reflection of a zeitgeist. It is also a business relying on an intricate network of manufacture, marketing and retail. Fashion is both medium and message but it does not explain itself. It requires language and images for its global mediation. It develops from the prescience of the designer and is dependent on acceptance by observers and wearers alike. W...