Mission Control is essential to me on my Macs. I’ve used it from the start, and appreciate all of the updates Apple has given this feature throughout the years (like allowing multiple displays to manipulate separate desktop Spaces without presenting linen on the second display, as Mission Control once did).
In this workflow example, I walk through the essentials of Mission Control that I use. I work at my desk with a Matias keyboard and Razer mouse, so gestures on my MacBook’s Trackpad don’t see a lot of action. With a three-finger swipe up on the Trackpad, Mission Control comes into view, the same as pressing the F3 key.
I prefer to work in seven Spaces in Mission Control. You can add more on the top-right, but I only do this when it seems necessary—when I have an absurd number of apps open I’m using with divergent purposes. And when I don’t need as many as seven Spaces, I keep them around for when the time comes.
More control can be had over Mission Control in System Preferences. It has a menu all of its own, with options like “Automatically rearrange Spaces based on most recent use” and “Displays have separate Spaces.”