Glossary Air Miles Airline Ticket Airline Regulations Ancillary Charges Aviation Regulators Baggage Allowance Bleisure Travel Carbon Offsetting Codeshare Flights Collegiate Travel Management Corporate Rates Corporate Retreat Travel ESG in Business Travel Executive Retreats Frequent Flyer Number Global Distribution System (GDS) Global Travel Agency Hotel Billback Hotel Prepayment Hotel Rack Rate International Business Traveler Last Room Availability (LRA) Lodge Card Low-Cost Carrier (LCC) Meal Codes Mobile Travel App Online Travel Agency (OTA) Open Booking Passenger Name Record (PNR) PPQ Tender (Pre-Paid Quotation) Preferred Supplier SOTO Tickets (Sold Outside, Ticketed Outside) Seat Classes Sports Travel Management Travel Management Company (TMC) Travel Policy Travel Risk Management Traveller Profiles Flight Waitlist