I can't say anything about hidden features, but I do know that there are a lot of built-in tools on the MacBook that we don't know anything about. When I first needed to take a screenshot on my MacBook, I didn't immediately find how to do it. I quickly figured it out thanks to the article https://setapp.com/how-to/screenshot-on-mac, and I also learned about CleanShot X, and for me this option is much easier and faster. Screenshots are not created chaotically, but are stored on the MacBook in an orderly manner.