AD: American Dream (game scenario)
Assoc: Association
City Comp: City Competition
Comp: Competition
EG: Endgame (final phase of the game where top cities compete)
Eng: Engine
Golden Hour / Happy Hour: First hour an industry opens up, and the waiting time is 0:00 until next recalculation
HQ: Headquarters
Lab: Laboratory
LH / SH: Long-haul / Short-haul (ways to transport goods with your trains)
Lic: License
OJ: Origin Journey (game scenario)
PAX: Passengers
PP: Prestige Points
PB: Power Bonus
Plus / PA: Plus Account
Recalc: Recalculation of waiting times in Industries
Res: Research
RN: Rail Nation
SoE: Steam over Europe (game scenario)
Upg: Upgrade
Wag: Wagon
WH: Warehouse
WOP: Watch other players
WSP: Wagon-Speed Product
