Google Search Console is like a teacher for your website. Imagine you draw a really cool picture and you want show it to your teacher, but your teacher cannot see it. So, you need to tell Google Search Console about your website so it can show it to the world.
Once you have told it about your website, it helps you to figure out things like how many people are visiting your website, what pages they are looking at and what words they are searching for to find your website. Google Search Console also helps you to solve any problems on your website that are stopping people from seeing it.
It's like Google Search Console is your very own superhero who helps make your website the best it can be, so more people can see it and tell you how awesome it is!