The circle is a flat geometric figure that is defined in the following way:
Circle and set of resulting points gives union between a circumference and its internal points. In other words, or circle in the area of the border and the circumference.
Example: In this way, a preencher of a circular water pool, for example, on the side of the pool and on the surface of the water in the circle.
It is the reflection of how you see yourself in different stages of your life, which changes with the passing of time. Also physical changes will gradually start to appear.