Indonesian martial arts dance for the entertainment of tourists. The following are complete martial arts designed for fighting or self-defense. Pencak silat is a compound of the two most commonly used words for martial arts in Indonesia. "Pencak" was the term used in central and east Java, while "silat" was used in Sumatra and Borneo. In modern usage, pencak and silat are seen as being two aspects of the same practice. Pencak is the essence of training, the outward aspect of the art. Silat is the internal essence of combat and self-defense, the true fighting application of the techniques. The earliest evidence of
Pencak Silat being two aspects of the same practice. Pencak is the essence of training, the outward aspect of the art which a casual observer is permitted to witness as performance. Silat is the essence of combat and self-defense, the true fighting application of the techniques which are kept secret from outsiders and not divulged to students until the guru deems them ready. While other definitions exist, all agree that silat cannot exist without pencak, and pencak without silat skills is purposeless. The origin of the words "pencak" and "silat" have not been proven. Some believe that pencak comes from the Sanskrit