Alright kiddo, so imagine you have a game where you have to guess a number between 1 and 100. You might guess 50, and the person running the game might tell you if the real number is higher or lower than 50. Then you could guess 25, and keep narrowing down until you get the right answer.
Hasse's bound is kind of like that, but instead of guessing a number, we're guessing how many points a certain mathematical object might have. And instead of guessing one by one, we have a rule that tells us the maximum number of points it could have.
This rule says that for certain objects, the most "points" it can have is a certain number. It's kind of like saying "the highest number of jellybeans you can have in this jar is 100" - we know that no matter how many jellybeans there are, there can't be more than 100.
This might not seem like a big deal, but it's actually really useful! It helps us figure out how many solutions a certain equation might have, or how many ways we can arrange certain objects. Think of it like a magic shortcut that makes hard math problems way easier to solve.