First-class (Luxury) refers to the highest level of service and comfort offered in various industries, particularly in travel and hospitality. In the airline industry, first-class passengers enjoy spacious seating, gourmet meals, and exclusive lounges. This premium experience often includes personalized service and additional amenities, such as priority boarding and extra baggage allowance. In the hotel sector, first-class accommodations provide opulent rooms, exceptional service, and exclusive access to facilities like spas and fine dining restaurants. Guests can expect high-quality furnishings, luxurious toiletries, and tailored experiences, ensuring a memorable stay. Overall, first-class (Luxury) emphasizes superior quality and attention to detail.