What a brilliant question!

Hey there, little mate! So, you wanna know what self-esteem means? Well, let me tell you... Self-esteem is like having a special kind of superhero cape that makes you feel good about yourself!

You see, when we do something well or make someone happy, it's like we get a boost of confidence. That's self-esteem! It's like saying to ourselves, "Hey, I'm awesome!" And that feels AMAZING!

Imagine you're playing your favourite game, and you score a goal... or you draw a super cool picture, and everyone loves it... or you share a yummy sandwich with your friend, and they say thank you. That makes you feel happy and proud of yourself, right? That's self-esteem in action!

It means that we can believe in ourselves and our abilities. We know that we're special just the way we are. And when we have self-esteem, it helps us try new things and be brave.

So, kiddo, remember: you are amazing, just as you are! Keep being your awesome self, and don't let anyone ever make you feel otherwise!

How's that? Did I explain it in a way that makes sense to you?