10-Code

10-Code, also known as ten signals, is a brevity communication system used by law enforcement and emergency services to convey information quickly and clearly. Each code begins with the number "10" followed by another number, representing a specific message. For example, "10-4" means "acknowledged," while "10-20" asks for a location. This system enhances radio communication efficiency and helps minimize misunderstandings in high-pressure situations. While commonly recognized among professionals, these codes may be less familiar to the public, leading to occasional confusion outside of their typical use.