🚄tàu cao tốcA high-speed train. Means fast travel, bullet trains and efficiency. Use it for rail trips and "on the fast track".
🚉ga tàuA train station. Means stations, departures and hellos/goodbyes. Use it for travel days and reunions.
🚂đầu máy xe lửaA locomotive. Means trains, journeys and power. Use it for rail travel and trainspotting.
🚢tàu thủyA ship. Means cruises, shipping and big journeys. Use it for cruise vacations and naval news.