a group of people, services, objects, etc. categorized based on shared qualities or attributes
학년
a ategory of seating or accommodations in transportation, typically offering a standard level of comfort and service
이급
a category of seating or accommodations in transportation, usually offering basic service and often the most economical option
병종
a narrow bed, often stacked in tiers, used in ships, trains, or other confined spaces
침대
a carrier designed to hold on top of a car or luggage above the seats of a train
짐 선반
a train carriage designed for passengers to enjoy scenic views during their journey
a passenger car on a train that provides amenities such as a lounge, bar, or dining area
클럽카
a carriage on a train where passengers can purchase and consume food and beverages
뷔페 자동차