Okay, so imagine you have a lot of numbers. Some of them are big and some are small. When you organize these numbers, sometimes you might notice that they are getting farther and farther apart. That's called divergence.
Now, in computer science, we use this term to talk about programs. When a program diverges, it means that it's running into problems that make it stray away from its main goal. It's like when you're playing a game and you keep getting distracted by other things, and you forget what you were supposed to be doing in the first place.
Sometimes the program might diverge because of a bug, which is like a little mistake in the code that makes it go in a different direction than it should. Other times, it might be because the program is trying to do too many things at once, and it can't keep up with everything.
Either way, when a program diverges, it can be a problem. It can slow down your computer or even crash the program altogether. So, it's important to find out why the program is diverging and fix the problem, so it can get back on track and do what it's supposed to do.