Accelerator - A pedal connected mechanically or electrically to the throttle body valve to control the volume of air passing through to the intake manifold.
Alternator - A machine which converts mechanical energy to electrical energy in the form of alternating current (AC) which is rectified to direct current (DC).
Anode - the positive pole of a battery or electrical device marked with a + symbol.
Baffle - a plate or mechanical device designed to restrain or regulate the flow of a fluid, the emission of light or the spread of sound waves.