Let's say you have a toy car with a string attached to it. You can pull the string and make the car move in the direction you want. This is kind of like what hooking is.
In computer programming, a "hook" is a way to intercept an event, like opening a file or clicking a button. With hooks, you can control what happens when that event occurs.
Think of it like a magical hand that can reach in and change what happens when you do something on your computer.
For example, you can use a hook to change the way a program behaves when you press a certain key on your keyboard or when you open a file.
It's kind of like having a superhero power to make things happen the way you want them to. But just like with any superpower, it's important to use it for good, not for evil!