Because the circle encompasses all regular polygons, it is seen as a symbol of oneness. It is also the sign of infinity, as there is no beginning or end to it, and it is the ultimate geometric symbol. The circle has many intriguing connections and occurs in a variety of shapes in art. Circles have many meanings in art. They can be used to represent eternity, perfection, unity, harmony, love, loyalty, community, wholeness, or healing. Circles are often associated with spiritual concepts and their meanings vary depending on your religious beliefs or lack thereof. For example, Catholics view the circle as a symbol of God's creation while Protestants see it as a representation of humanity's sinfulness. In art, a circle usually indicates completeness, and thus shows that everything within it is part of a whole. This is particularly evident in circular seals and stamps. A complete circle is also called a cyclone because it contains all possible directions. This means that anything thrown into it would come back to where it started from. A line drawing or painting is considered to be made up of lines. These lines may be actual marks on your canvas or they may be visual cues such as shadows, strokes, or brushstrokes. When you add colors to your line drawings or paintings, you are adding tones to them. These tones make up the overall color of the object being depicted in the image.