Did you ever think why symbols on / off should be symbolized by a circle and a vertical line in the middle? Or why the Bluetooth symbol such as a vertical glasses? Consider that in the following article.

The on / off power button

 

This symbol has its origin was first used during World War 2 as the password for the switch. Vertical lines represent the number “1″ which means life or on, and the circle symbolizes the number “0″ which means dead or off. While the circle that not perfect symbolizes the condition of standby.

 

 

 

Bluetooth button

 

 

 

Button on this one is not foreign for the hobby of transferring data from one device to another. Because like it with blueberries, the 10th king of Denmark, Harald Blatand coloring one of his teeth with blue. And because the first receptor Bluetooth shaped like the teeth of the king, a password is used commonly as a symbol that representing the king Harald.

 

 

 

Play

 

 

 

There are no definite and clear story of why a triangle using for symbolizing the play button. To be sure, the triangle is considered to be a symbol pointing toward the easiest read. The position that leads to the right reminds us of the direction of the road on cassette tape.

 

 

 

USB

 

 

 

Neptune magic wand inspires as a symbol of USB connectors that can connect any connection. Three tip of his wand that is formed from three areas, squares, triangles, and circles so affirming when USB is a versatile connector.

 

 

 

At

 

 

 

Currently there is no printing press; preacher must manual write of each paper that published. Rather than be bothered to write the word ”at”, they also make a symbol ”t” wrapped around ”a”. So this is being a symbol.

 

 

 

(kaskus.us)