Reading a modern travel ticket requires understanding several "High-Fidelity" codes and abbreviations. The most important is the PNR (Passenger Name Record), usually a 6-character alphanumeric string that serves as your unique booking reference. Next, look for the Flight/Train Number (e.g., AA123) and the Class Code (e.g., 'Y' for Economy, 'J' for Business). Departure and arrival times are always shown in Local Time for that specific city; if your ticket says you arrive at 10:00 PM, that is the time in your destination, not your starting point. You may also see a Fare Basis Code, a longer string of letters like "HL7LNR" that indicates the rules of your ticket, such as whether it is non-refundable (NR) or allows for baggage. Modern e-tickets also feature a QR or Barcode which is the "High-Fidelity" key for self-service kiosks and boarding gates. Finally, check the "Operated By" section; sometimes you buy a ticket from one airline (e.g., United) but the flight is actually flown by a partner (e.g., Lufthansa), which tells you which terminal and check-in desk you actually need to visit.