Since using tiling window managers like DWM or I3, I've come to realise that my approach to using my computer has also changed. No longer is the GUI simply a tool to launch and arrange separate applications, but it's become a sharpened tool adapted specifically to my workflow needs.
To begin with, there are a few specific shortcuts I have configured - mostly using the Meta (Windows) key as this has minimal conflicts with any applications.
Here are some simple ones for managing windows and launching apps I use:
Key | Action