....optical illusion.
The inside of a circle is called its area.
The inside of a circle is called its area.
Mirrored glass
Concentric Circles
Anarchy is Order:
The inside measurement of a circle is called the diameter. It is the distance across the circle, passing through the center.
What is it called to circle around a point in space
diameter
That's called the center
It is called the "Pentacle". This symbol is heavenly. It is a star with the star pointed up, inside a circle. On the other hand there is the "Pentagram". This Symbol is Demonic. It is a star that has it's point facing down and is inside a circle.
That is simply called its area.
A circular region or a disk.