Okay kiddo, so imagine you have a special machine that tells you what colors are in a picture. But sometimes the machine doesn't show all the colors, just some of them. That's where the raw monitor comes in.
The raw monitor is like a really good helper. It can show you ALL the colors in the picture, not just some of them. This is super important for people who are really good at making pictures look nice.
The raw monitor helps these people see everything they need to know about a picture, like how bright or dark it is or what colors are in it. They can then use this information to make the picture look even better.
So, to sum it up, a raw monitor is a special tool that helps people make pictures look the best they can by showing them all the colors and information they need. Cool, huh?