Refers to a button on clothing, such as a shirt or coat.
from Portuguese botão
シャツのボタンが取れた。
A button came off my shirt.
push-button; button
Refers to a mechanical or electronic button that is pressed, such as on a remote control, keyboard, or machine.
エレベーターのボタンを押してください。
Please press the elevator button.
I pressed the elevator button.
I buttoned up my jacket.
The button on my shirt came off.
Releasing the record button stops the recording.