Jiu Jitsu is a martial art concentrating on ground fighting and submission holds, stressing strategy over brute stamina

https://technicalgrappling173.urbanvellum.com/posts/a-deep-study-gracie-barra-jiu-jitsu-belt-rankings-what-each-shade-method

Jiu Jitsu is a martial art concentrating on ground battling and submission holds, stressing method over brute toughness