There is quite a bit of information available on the internet about modular and sectional model railroading. Much of the information, especially about lightweight modules, is English. Hobbyists in Great Britain (and New Zealand, Austrailia) use slightly different terms. Below is a partial list of US terms and their British equivalent that should be helpful in google searches.
United States – British
Benchwork – Baseboard
Box Car or Reefer – Van
Caboose – Brake Van
Flat Car or Gondola – Wagon
Engineer – Driver
Freight – Goods
Railroad – Railway
Switch – Points
Switching – Shunting
Ties – Sleeper
Truck – Bogie
Homasote – Sundeala
Particle Board – Weyroc
OSB or chip board – Beaverboard or Aspenlite