10-4 Meaning Explained: What It Means, Where It Came From
You’ve probably heard someone say “10-4” in a movie, a trucker clip, or even during casual conversation. It sounds official, cool, and oddly satisfying. But what’s the real 10-4 meaning? The phrase “10-4” is radio shorthand for “message received” or “acknowledged.” It’s part of a coded language known as the ten-code system, used by police, … Read more