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 in the highly-aggressive nature of their pencak silat. Acehnese pencak silat borrows its foundation from silat Melayu and silek Minangkabau, particularly the arm-seizing techniques of the former and the ground-sitting postures of the latter. Bladed weaponry is favoured, specifically knives and swords. The primary weapon is the rencong, an L-shaped dagger used mainly for thrusting but also for slashing. The kris is used as well but the native rencong takes precedence. Batak land is situated between the Minangkabau to the south and Aceh to the north, and the culture shows both Indian and Chinese influence. The word Batak refers to