It is the symbol for Alcoholics Anonymous.
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
Usually, "Go this way."
It's the symbol for anarchy.
Compass Rose
Equality.
I believe a circle within a circle is not part of Braille - Braille consists of a series of dots arranged in patterns.
I have 7 Koi fish in a pond, 1 of the fish constanly stays on the surface and swims in circles. what does this mean
It symbolise the cartographer's visual resource' sizes.
a target maybe?... or a bull's eye?