How do combos work in DNF Duel?

I don't mean how to do certain combo trials but what are the fundamentals of combos? What moves should you use and why? And what makes some better than others?

From what I gathered, a common rhythm seems to be Ground Combo then Launcher then Air Combo then Ground Bounce then Finishing Combo.

I found this video which is helpful since it's the same developers but a different game (obviously):