Applications when open have up and down arrows instead of the dashes and boxes like Mint and Windows. I've discovered the up arrow resizes the window, but naturally default to hitting the down arrow to minimize, only I don't know where it goes and I end up starting a new instance of a program (Firefox usually). Is there a minimize behavior?
I like to use the module "tasks" in a shelf. (first make sure the module is loaded, then add it to a shelf) When a window is minimized, it will still appear in the tasks module.
Alternatively, you could do an <alt + tab> to cycle through windows on the current desktop.