ELI5: Explain Like I'm 5

Symmetric space

Hey kiddo! Do you know what symmetry means? It means that two things are the same, like when you look in a mirror and your reflection looks just like you.

Well, a symmetric space is a special kind of space where every point has this kind of special symmetry. This means that if you pick any two points in the space, there is a way of moving one point to the other that keeps everything about the space the same.

It's like if you had a pattern or a design that was the same no matter which way you turned it. So, imagine you had a special ball that looked the same from all sides - that would be a symmetric space.

These kinds of spaces are really important in math and science because they help us understand the way things work in the world. They're also really cool because they're kind of rare - not all spaces are symmetric!