Okay, so let's pretend that you have a giant puzzle that you want to put together. But there's a problem - you don't have the picture on the box to help you figure out what the puzzle should look like when it's finished. You have to examine all the puzzle pieces and try to guess what the picture is supposed to be.
In science, sometimes we have a similar problem called the parameter identification problem. We want to figure out what a system looks like or how it works, but we don't have all the information we need. Specifically, we don't know what certain "parameters" are. Parameters are like puzzle pieces - they're little bits of information that help us understand the bigger picture.
So we have to do some detective work to try and identify these parameters. We might run experiments, build models, or use other methods to try and figure out what the parameters should be. It's kind of like trying to solve a mystery!
Once we figure out what the parameters are, we can use that information to better understand how the system works, predict what will happen in the future, or make changes to improve the system. It's like finally getting the picture on the puzzle box - everything makes a lot more sense!