What does the abbreviation "PAX" signify in the airline industry?

In the airline industry, the abbreviation "PAX" is a commonly used term that stands for "passengers." This terminology is vital for communication within the industry, as it helps airline personnel, including flight attendants, ground staff, and management, to efficiently convey information regarding the number of people on board a flight, ticket sales, and overall passenger traffic. Understanding this abbreviation is crucial for various operational aspects, including safety protocols, capacity planning, and customer service, all of which directly impact the airline’s function and efficiency. The other options, while pertinent to the industry, refer to different elements that do not encapsulate the concept of passengers.