Many artists use the correct proportions to depict realistic works, while other artists exaggerate and distort to express moods and experiences. Scale refers to the size relationship between an object and a standard reference, such as the human body. Scale of an object can range from minute to monumental, or scale of an object within a design can be correct or exaggerated depending on the intention of the artist. Harmony Harmony refers to ways similarities in a work are accented to create an uncomplicated, uniform appearance. Note that work does not have to be harmonious.
Some works are interesting because of the artist's deliberate creation of a chaotic effect.
Unity Unity is perhaps the most important of the principles and the most difficult to define. Unity is the principle of design in which all the separate parts work together to make a complete whole. The elements, ideas, principles and media are combined in such a way that all are essential to the product.