 According to Hyman, realism in technique can be defined in terms of three characteristics: accuracy, animation, and modality (Hyman 2005: 40–46). Accuracy means the accurate depiction of a kind of material or object or activity, such as water or satin, a palm tree or a dove, sleeping, galloping or making love. Animation combines mobility with the expression of emotion, character or thought (see also Penrose 1973: 268). The term “modality” refers to the expressive potential available to artists during a particular phase in the development of an artistic tradition, in other words, the range of kinds of information that the technical resources available to artists allow them to record: