a physical button or switch that is pressed to operate a machine or trigger an action

button; fastener; toggle

a handle or button on a machine or electrical device that is turned to open something or to adjust settings

push button or electrical switch, typically made of insulating material and found on electronic devices

a button for a piece of clothing

The decorative knob on the top of a seal, often carved into the shape of an animal and used to thread a cord for carrying.

the button on an alarm clock used to silence the alarm temporarily until it sounds again

starter button or on switch

bond or ties, such as those of friendship; a link that connects people or things

(proper name) Niohuru, a prominent Manchu clan during the Qing Dynasty