>>1428826>tram>streetcar>trolley All the same thing. "Tram" is more often used in British English, "streetcar" and "trolley" more often in American English.
"Tram" is also sometimes used for cable cars and cogwheel railcars.
"Trolley" is sometimes used for trolleybusses (aka trackless trolleys).
>light rail Usually refers to a railway with mostly independet right-of-way and grade separation from other traffic that still uses tramcars or similarly small vehicles. Can also be used as a catch-all term for all of the above.
