AbstractAnimals communicate, but only humans communicate through language. The distinctive feature of language is that words carry meanings, which we learn initially through socialization and education. Communication through language depends upon these meanings being sheared. We also communicate in many non-verbal ways, through, for example, body-language, but the same processes of attaching and learning meaning apply. Thus, we learn that the “thumbs up” sign means that “things are OK”. We communicate through images, too. A holiday snap can communicate our well-being on holiday and inform people that we have visited a fashionable resort. The term “image” has been extended to mean not just a representation of something, but also the impressi...