In combining the 1 and 0 together, the power symbol was born: a large circle (0) interrupted by a small vertical line (1). This language-agnostic design was meant to convey that a switch or button ...

Taurus is the second sign of the zodiac and ruled by Venus, the planet of love and beauty. The Taurus symbol is a bull, and at its simplest, the Taurus glyph is a circle with another half-circle ...

From this, we can see that the symbol of a red circle and diagonal line, which means 'prohibited' or 'NG', is commonly understood to some extent around the world.