In art history, formalism is the study of art by analyzing and comparing form and style. Its discussion also includes the way objects are made and their purely visual or material aspects. In painting, formalism emphasizes compositional elements such as color, line, shape, texture, and other perceptual aspects rather than content, meaning, or the historical and social context. At its extreme, formalism in art history posits that everything necessary to comprehending a work of art is contained within the work of art. The context of the work, including the reason for its creation, the historical background, and the life of the artist, that is, its conceptual aspect is considered to be external to the artistic medium itself, and therefore of secondary importance.