Motor car (profile): electric railway, elevated or underground, that serves areas of a city.
Front window: opening in the front wall that lets light in.
Door to conductor's vestibule: opening in the side wall that provides access to the driver's cab.
Passengers' door: opening in the side wall that provides access to the passenger compartment.
Side window: opening the the side wall that lets light in.
Compartment: section.
Signal lights: gauge light.
Current bar: part that slides along the electric circuit.
Open door indicator: signal light that indicates the doors are not closed.
Traction system: towing apparatus.
Wheel: round object that turns around a central axis and allows a vehicle to advance.
Buffer: centre metal piece for reducing shocks.