Okay kiddo, let me explain what a score bug is in a really simple way.
Have you ever watched a TV show or a movie where they show a little box on the screen that tells you the score of the game or the names of the people who are talking? That box is called a score bug.
It's like a little box that sits on the screen and gives you important information about what you're watching. In sports games, the score bug usually shows you the score of the game, how much time is left, and maybe some other stats like the number of fouls or turnovers.
The score bug is really helpful because it means you don't have to keep asking your mom or dad what the score is. You can just look at the screen and see for yourself.
So that's what a score bug is, a little box on the screen that tells you important information while you're watching your favorite show or sports game. Pretty cool, huh?