Find in History images to represent the image evolution. Compare images in the history of art. For example: Egyptian hieratism, Greek Hellenism, Romanesque symbolism, Baroque dramatism, nineteenth-century realism, etc. and establishes its formal differences. Find them on the web and choose those you think are representative. ( 5 pictures min . ) from differents periods. After that, explain them differents functions of the represented image: symbolic, religious, playful, decorative, hierarchical, educational, etc.