Playstation Control button explanation

For those who have reached playstation as their main console , or those who came to use this control and never knew the meaning of playstation control symbols. No longer keep prompting that eventually we can bring the response expected by all.

PS control button

According to the designer Goto Teiyu, The triangle symbolizes the point of view, I wanted to represent as an address or head. The square represents a piece of paper which identifies menus or documents. The circle and the X represents a yes and no respectively, the latter curiously in most games released in Japan, it is generally accepted with the circle button and canceled the X button which is reversed in the game Launched in America.