Alright kiddo, let's start with the basics. Do you know what a frame is? It's like a set of arrows that point in different directions. And do you know what a bundle is? It's like a really big rubber band that wraps around some things and keeps them together.
Now imagine you have a really fancy rubber band that wraps around a bunch of arrows pointing in different directions. That's called a symplectic frame bundle.
But what's symplectic, you might ask? It's just a big word that means something special about the arrows and how they move. You see, these arrows are special because they move in a way that's related to rotational symmetry.
So when we wrap this fancy rubber band around our arrows, we get a symplectic frame bundle that helps us understand how the arrows move and rotate in space. And that's really important in things like mathematics and physics when we're trying to understand the way the world works.