In the hotel and tourism sector, words matter. A guest, a travel agent, a hotel manager, an auditor, and a booking platform may all use the same terms every day, but they do not always understand them in exactly the same way. This is why clear terminology is important. ISO 18513 helps create a shared language for hotels and other tourism accommodation services, making communication easier, more accurate, and more professional. ISO 18513 is focused on vocabulary used in touris