An "onoff switch" is a device used to turn a particular appliance or machine on or off. It is an important component in our daily lives, and as technology advances, there are various alternatives that have been developed with different names and functionalities. Some of these include the power button, toggle switch, rocker switch, push-button switch, flip switch, and slide switch. Each of these options may have different shapes, methods of operation, and uses depending on the application. However, the primary function of all these switches is to control the flow of electric current, which is essential in modern life.