Explanation: The international radiotelephone safety signal, "Securite" (pronounced Say-cure-e-tay) repeated three times, is used to preface messages concerning the safety of navigation or important meteorological warnings. This is standardized by international radio regulations to ensure universal understanding and prompt attention to such communications, which are less severe than distress or urgency. "Pan Pan" repeated three times is the radiotelephone *urgency* signal, indicating that the station has a very urgent message to transmit concerning the safety of a ship, aircraft, or other vehicle, or of some person on board or sight, but does not indicate distress. "Safety Safety Safety" is not the internationally recognized signal. The signal is simply "Securite" repeated three times, not "Securite Securite" repeated three times. These distinctions are critical for maintaining order and clarity on the airwaves, especially in maritime and aeronautical communications.