Iconography refers to the careful study of the content of artArt refers to a diverse range of human intellectual and expressive activities and the outcomes of those activities. Within this context art is further defined as visual art and includes painting, drawing, sculpture, printmaking, photography and work made using digital media. works rather than their formForm refers to three dimensional objects. While shapes have two dimensions (height and width), forms have three dimensions (height, width and depth). The overall unity of the visual elements in an art work; it is usually contrasted with content. Form is sometimes used to refer to the three dimensional aspect of an art work, as opposed to shape, which is seen as referring to two dimensional aspects. or style. In particular, it refers to the symbolismApart from its simple association with symbols, the term symbolism also refers to a movement in art. The symbolists were a group of artists living in 19th century France. They rejected naturalism and wanted to vividly express thoughts and feelings using fantasy and symbols. Odilon Redon (1840-1916) and Gustave Moreau (1826-1898) were among its chief practitioners. that can be found in many paintings.