The concept of metacognition, thinking about thinking, is simple. Attempting to express metacognitive experiences can be complicated. The explanation itself introduces an other "meta" level. The explanation takes the metacognitive experiece as its object. Of course, the explanation itself can become the object of another explanation. Such looping upon loops can be quite dizzinng.
Here are a few rest stops:
I hope you have fun launching and control those chains of explanations explaing explanations.