Briefly touched upon this on the skill acquisition section here.
Every practitioner should be able to relate to that first experience of rolling with someone more advanced and being overwhelmed, some have aptly used the image of drowning, that would be stage one, or “wtf is going on?”
- Unconscious Incompetence
- Conscious Incompetence
- Conscious Competence
- Unconscious Competence
4 Stages for BJJ 
4 Stages – General
As training progresses we start realizing what we are doing wrong, and as we keep learning how to swim – both in theory and in practice by testing the limits of drowning in sparring -, we move to stage three; now we can apply techniques. We start to recognize the opportunity for a triangle here, the trigger for a kimura there.
After a few years it all starts to coalesce; triangles and kimura grips are everywhere, techniques naturally chain one into the next. Auto-pilot, second nature, flow.
https://en.wikipedia.org/wiki/Four_stages_of_competence