1. What is the Mission control key on Macbook Pro keyboard and 2. Is it actually possible to toggle between minimizing/maximizing all open windows on the desktop at once?

Hello,

Any help with the following frustration for a lifelong Windows savvy user to more easily adopt to and enjoy the Apple UI/UX experience on my Macbook Pro, would be appreciated!

THE CHALLENGE:

• The latest shortcut keys list published by Apple Support say to select "Command–Mission Control: to "Show the Desktop", but it in the end what Mac call's "Show Desktop" doesn't actually perform what I expect that functionality to do.
• Based on my life long experience with Windows, the ultimate result should allow a Mac user to toggle between MINIMIZING + MAXIMIZING multiple open windows at once. In effect, with a single click/simple command, the user can then effectively clear a cluttered desktop with minimal keystrokes/clicks, to then pick only the 1 window they want to focus on at that moment, to prioritize their work

AM I MISSING THE OBVIOUS - LOOKING FOR HELP TO CONFIRM FACT VS. FICTION?

1. I can't for the life of me see a key clearly marked on my Macbook Pro that should be the "mission control" key,
2. Is it even possible to perform a compatible "Show Desktop" command functionality, to minimize/maximize all open windows with a single click/keystroke combo like I"m used to in Windows?

THINGS I'VE TRIED SO FAR WHICH STILL DON'T QUITE DO THE TRICK:

1. I did notice in that list on Apple Support it shows you can use the 'Command+h" key combination, but that takes multiple clicks to close the amount of open windows, one at a time
2. I was hopeful when I eventually noticed in "Settings" there is a selection to customize the short-cut keys to accomplish what's called "Show Desktop" via the 'Mission Control" app/icon, but when I see the default symbols combination for it in the keyboard shortcuts tips from Apple support last updated in April of 2019,
3. I can't for the life of me see what key on my Macbook Pro is support to serve as the little triangle type symbol pointing up (like a rooftop). In the meantime, I changed it to recognize fn+F11 instead, but that didn't seem to have the expected end result either :(

SUGGESTIONS FOR iOS DEV'S TO SIMPLIFY THE UI/UX EVEN FURTHER FOR WINDOWS USERS

1. Could we expect a simple visual selection somewhere on the desktop one day, similar to what Windows uses (at the far right end of their taskbar, once you click on the sliver of a rectangle at the end of it), that what will allow a user to toggle between minimizing/maximizing all apps on the desktop at once?
2. Perhaps a label like "MC" could be added to the expected physical key for "Mission Control" access for people like myself who can't see the symbol I'm not used to and can't find, like has already been done with the "command" key visual labelling?

Thanks in advance for your consideration and suggestions.