We live in a world in which we are kept informed by a mass-media. Newspapers, television, radio and advertising all help to keep us in touch with worldwide events, while at the same time they influence or form our attitudes. In other societies direct human contact still operates as a way of communication, although because of the power and appeal of industrialized communication, these constitute a diminishing proportion of the world. Inevitably, mass-communications involve many specialized activities. Journalists, writers, illustrators or photographers supply the media with information, while technicians, engineers and printers specialize in the most effective ways of transmitting those ideas. Somewhere, very often at an intermediate stage, there are people who are responsible for coding information and ideas, using patterns, styles and sequences that are at once conventional enough to be understood, but also sufficiently novel to attract our attention. It is at this intermediate stage that what we call graphic design happens.