Golden Section: This ratio is recognized as the most aesthetically pleasing ratio, so it is called the Golden Section.

ELEMENTS OF ART:
- Line: An element of art defined by a point moving in space.
- Shape: An element of art that is two-dimensional, flat, or limited toheight and width.
- Form: An element of art that is three-dimensional and encloses volume; includes height, width AND depth (as in a cube, a sphere, a pyramid, or a cylinder).
- Value: The lightness or darkness of tones or colors.
- Space: An element of art by which positive and negative areas are defined or a sense of depth achieved in a work of art .
- Color: An element of art made up of three properties: hue, value, and intensity. 1.Hue: name of color 2.Value: hue’s lightness and darkness (a color’s value changes when white or black is added) 3.Intensity: quality of brightness and purity (high intensity= color is strong and bright; low intensity= color is faint and dull)
- Texture: An element of art that refers to the way things feel, or look as if they might feel if touched.
PRINCIPLES OF ART:
- Rhythm: A principle of design that indicates movement, created by the careful placement of repeated elements in a work of art to cause a visual tempo or beat.
- Balance: A way of combining elements to add a feeling of equilibrium or stability to a work of art. Major types are symmetrical and asymmetrical.
- Emphasis (contrast): A way of combining elements to stress the differences between those elements.
- Propotion: A principle of design that refers to the relationship of certain elements to the whole and to each other.
- Gradation: A way of combining elements by using a series of gradual changes in those elements.
- Harmony: A way of combining similar elements in an artwork to accent their similarities
- Variety: A principle of design concerned with diversity or contrast. Variety is achieved by using different shapes, sizes, and/or colors in a work of art.
- Movement: A principle of design used to create the look and feeling of action and to guide the viewer’s eye throughout the work of art.