Individual (see below post) definitions of Jiu-Jitsu determine the quality of ones thinking.
First and foremost, to me BJJ is an art, thereby multi-dimensional.
That being said, the root of Jiu-Jitsu as I understand is it’s the survival art.
Going back to the multi-dimensional aspect of BJJ though, what else is it? My friend Ray suggested efficient art, which I think is wonderful…
What are symptoms of brilliant BJJ?