a railway is a track with engines it can be a mountain railway
or just a railway
* Added - A railway is a fixed guideway system (vehicles cannot
leave the track) and can be powered by gravity, animals (including
people), stationary engines, or locomotives (any vehicle that is
self propelled). A train is a "consist" of multiple vehicles
designed to move on the railway.
As the term is used in conventional use today, a railway
includes the track and all other wayside equipment, all the
vehicles, stations, shops, and control centers.