CDU = Capacitor Discharge Unit (Model Railroad Turnout Control System)

Consisted = Two DCC locomotives joined together by one common number. (Model Railroad Control System)

CV = Configuration Variables (DCC setting)

DC = Direct Current. (Model Railroad Control System)

DCC = Digital Command Control. (Model Railroad Control System)

Decoder = Digital Command Control Chip. (Model Railroad Control System)

Dog House = Shelter, normally on top of the tender of a steam engine, for the brake man at the head of the train.

FD = Frosted Detail. (Shapeways Material)

FRED = Flashing Rear End Device

FUD = Frosted Ultra Detail. (Shapeways Material)

GAMRG = Gosport American Model Railroad Group

GSMRM = Golden State Model Railroad Museum

LHS = Local Hobby Store

NMRA = National Model Railroad Association

NMRA(BR) = National Model Railroad Association British Region

RTR = Read To Run