the functioning of writing
THE PURPOSE OF ALL WRITING, INCLUDING PICTURE- writing, is to serve as a means of communication. In fulfilling this purpose different systems function, as we have seen, in different ways, and they achieve success in varying degrees.
Picture-writing has the merit of making a vivid appeal to the eye that is very quick in its effect. Many people, too, whose memory is stronger on the visual side, retain a picture in the mind more easily than words. Thus a combination of written word and picture has the best chance of leaving a lasting impression, each supporting the other. The use in newspapers of illustrated advertising matter and of cartoons as commentaries on the news of the day (and also, of course, of photographs) abundantly bears out the fact.
There are, however, severe limitations on the use of pictures for communication. Quite apart from the inherent difficulty or impossibility of illustrating many concepts at all (for example, that contained in the preceding sentence!), it is possible to forget what the picture means; and a person who has never previously seen it, nor had it explained to him, may find it hard to interpret. The cartoon in this morning's paper is perfectly and