I believe a circle within a circle is not part of Braille - Braille consists of a series of dots arranged in patterns.
It's the symbol for anarchy.
a target maybe?... or a bull's eye?
It symbolise the cartographer's visual resource' sizes.
it most likely is a trade mark.
it becomes a circle inside another circle
what does a triangle inside a circle mean.
It tells you how to open the door to reach the regi inside.
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
Equality.
Compass Rose
Usually, "Go this way."
It's the symbol for anarchy.
A circle inside a star can symbolize unity, wholeness, connection, or divine guidance. It is commonly associated with spiritual or mystical meanings in various cultures and belief systems.
Using a braille chart, you can match up the braille with their corresponding letters to find out what they mean. Here is a braille chart: http://en.wikipedia.org/wiki/Braille