Airport gongs are a familiar part of public announcement systems in terminals around the world, where a short chime alerts passengers to listen for gate, boarding and delay information. Because that sound is instantly recognisable, it has become a popular shorthand in online videos and soundboards for travel, departures and waiting. Creators use it to set a location in seconds, to introduce a journey, or to add a touch of official-sounding drama before a reveal. Its simplicity and short length keep it useful across vlogs, memes and short-form edits.