Yes. The center of a circle is the circles name
You call the Circle "G".
if you mean the point that starts at the edge of the circle and ends in the center then this is the radius (:
The center of a circle is called the origin. It is a point at one end of a radius, the other end of which defines the circumference of the circle.
mesas
Circumcentre.
That's a "radius" of the circle.
The line segment is the radius of a circle that connects the center of a circle to any point on its circumference.
Radius.
That would be the center.
The diameter
i think its the diameter