ELI5: Explain Like I'm 5

Bounded mean oscillation

Okay kiddo, have you ever heard the word "oscillation" before? It's kind of like when something moves back and forth, like a swing at the playground.

Now, let's talk about the "mean" part. Have you ever heard of the word "average"? It's when you add up a bunch of numbers and then divide that total by how many numbers you added up.

Bounded mean oscillation is a fancy term that talks about how much something bounces around (oscillates) when you look at an average over time. Basically, it's a way to measure how much a function or graph jumps up and down when you average it out.

If something has bounded mean oscillation, it means that it doesn't jump up and down too much, and stays pretty stable. It's like a swing that doesn't swing too high or too low, but stays in a nice, steady rhythm.

So, bounded mean oscillation is a way to measure how much something varies, or changes, over time, and whether it's pretty stable or if it bounces all over the place.