he; boyfriend

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

器械: a device, an appliance, a mechanism / 機械: a machine, equipment, an apparatus / 器械: a utensil, a tool, an instrument / 器械: a tool for conducting a test or experiment or for measurement

methodology

voting system

input method

operator

operability

remote control, remote operation (doing something from a distance)

everything