The flow of electricity from the battery to the motor is determined by the control (motor controller) That is like the brain of the car and is a core element of the energy system.
The flow of electricity stored in the battery to the motor is determined by the machine controller (motor controller), which is like the brain and is the main component of the energy system.
The flow of electricity from the storage batteries to the motor is determined by the air (motor controller) which is the brains of the vehicle and the main component of the power system.