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

http://daltonfraa102.iamarrows.com/the-differences-in-between-gracie-barra-and-other-brazilian-jiu-jitsu-schools

Jiu Jitsu is a fighting style concentrating on ground fighting and entry holds, emphasizing technique over brute stamina