What is the difference between Jiu Jitsu, Karate, and Taekwondo?

I am looking in to taking a self defense class and I wasn%26#039;t sure what the difference is between all the different advertised places|||Jiu-jitsu and karate are Japanese martial arts that focus on offensive techniques. Tae-kwondo is a Korean martial art that is primarily meant for defense.|||tha amount you pay for classes and wheather you yell in japenese or korean|||They all Pale in comparison to the MANTIS art of seduction and love making.|||Karate (fight with empty hands) Taekwondo (focus on kicking moves) jiu Jitsu (not sure). judo is more effective on women (slamming opponent)