Seven design principles are discussed: balance, rhythm, emphasis, proportion and scale, movement, contrast, and unity. Balance refers to symmetrical, asymmetrical, radial, vertical, or horizontal distribution of elements. Rhythm involves regular, graduated, random, or gradational repetition of elements. Emphasis draws the eye through size, placement, shape, color or lines. Proportion and scale relate to comparative element sizes. Contrast is created through differences in color, size, shape, texture, etc. Unity involves consistent use of lines, color, materials or textures.