What does “Controls” mean?

“Controls” is not how many controllers you have, but the difficulty of controls. The scale goes from 1 to 5, with 1 being easiest to pick up and play with 5 being hardest to pick-up and play.

I have played VR/I have VR experience/I have gaming experience, what does that mean for me?

“Controls” is meant to help people who are not familiar with VR and games. If you have experience, you may have an easier time with learning new controls.