Okay, so let's imagine you are playing with toy trains. The trains have to go on the tracks and you want to make sure they don't crash into each other. To do that, you would use train order operation.
Train order operation is like giving instructions or rules for the toy trains to follow. You might say "Train A, stay on the green track and stop at the yellow station. Train B, go on the blue track and stop at the red station." This tells the trains where to go and when to stop, so they don't bump into each other.
In real life, train order operation is used to control the movement of real trains on real tracks. Train dispatchers, who are like the people controlling the toy trains, give instructions to the train crew by radio or signal lights. These instructions tell the train crew where to go and what to do, like stopping at a certain station or slowing down in a specific area.
Train order operation is important because it helps prevent accidents and keeps the trains running smoothly. Just like with the toy trains, if there are no instructions or rules, the trains might crash into each other and cause damage or even hurt people. But when there are clear instructions and everyone follows them, trains can get where they need to go safely and efficiently.