- Accessory
- Accessory Digital Decoder
- Airbrush
- All-in-One Command Station
- Articulated Referring to rolling stock
- Backlash
- Benchwork
- Block
- Body shell
- Booster
- Broadcast Packets
- Bus
- Cab
- Cab Bus
- Can Motor
- Chassis
- Code
- Command Station
- Computer Command Station
- Computerized Cab
- Control Bus
- Coupler
- Coupler
- Crossover
- Data Sheet
- Decoder Control Instructions
- Decoder Slave
- Die-cast
- Digital Command Control (DCC)
- Digital Command Control System
- Digital Command Station
- Digital Decoder
- Digital Decoder Idle Packet
- Digital Decoder Reset Packet
- Direct Addressing
- Drivers
- EOT device
- Fixed Cab
- Flextrack
- Flywheel
- Frame
- Gauge
- Gondola
- Grade
- Hard shell
- Helix
- Hopper car
- Instruction Packets
- LDE
- Loading gauge
- Locomotive Digital Decoder
- Main line
- Mobile Digital Decoder
- Module
- Operations Mode
- Operations Mode Acknowledgment
- Operations Mode Programming
- Packet
- Passing siding
- Point-to-point
- Points
- Polly Scale
- Power Booster
- Power Conversion
- Power Station
- Preamble
- Programmer Unit
- Prototype
- Rail joiner
- Reefer
- Rerailer
- Reset Instructions
- Roadbed
- Rolling stock
- Scale
- Scratch building
- Sectional layout
- Service Mode
- Slave Decoder
- Software Command Station
- Speed and Direction Instructions
- Speed Table
- Stand-Alone
- Standard
- Standard gauge
- Tender
- Throttle
- Tower Cab
- Tower Panel
- Track Bus
- Track Segment
- Trackout
- Transformer
- Truck
- Turnout
- Turnout Digital Decoder
- Walk-around Cab
- Weathering
- Wheel set
- Wireless Cab
- Wireless Cab Base