Whats the shortcut switch on a regular baby grand to minimize a program?

Whats the shortcut switch on a regular baby grand to minimize a program?

Here's a sudden list of shortcut keystrokes
knob is windows knob + d
Actually it is windows push button + m



Windows key + d >>> is to minimize adjectives windows and see the desktop...
up at the right mitt corner of the screen you will see a minus- statue. click on it