The inside of a circle is called its area.
I believe the FM is Franklin Mint. Not sure about the number. Might be the whole is the copyright designation since the copyright symbol (c in a circle) precedes the fm85
To find the area of the circle pi*radius*squared and subtract the area of the figure inside
Inscribed
The circumference of a circle is the distance arround the edge of the circle. The area of a circle is how big the inside of the circle is.
It is the symbol for Alcoholics Anonymous.
The ACCR on the ring stands for Artcarved Class Ring, the S stands for Saladium. G stands for gold,
a cirlce with a v inside it means that its a volt meter
A c inside a circle means "with" in medical terms.
Compass Rose
Compass Rose
Equality.
It's the symbol for anarchy.
Usually, "Go this way."
I believe a circle within a circle is not part of Braille - Braille consists of a series of dots arranged in patterns.
It symbolise the cartographer's visual resource' sizes.
a target maybe?... or a bull's eye?