radio button(Обычно такие кнопки организуются в группу и в группе может быть выбрана только одна кнопка. Английское название выбрано по аналогии с кнопками выбора диапазона волн радиоприёмника, когда в каждый текущий момент может быть выбрана только одна волна)
latch button(A latching button stays on (or off) when you push it. Like a power button. A momentary push button is only on (or off) for as long as you are pushing it. Example: reset button. Some momentary push buttons respond with a short on (or off) and it doesn't matter how long you push for. Alexander Demidov)
latching push button(the diference between a momentary push button and a latching push button: A latching button stays on (or off) when you push it. Like a power button. A momentary push button is only on (or off) for as long as you are pushing it. Alexander Demidov)