The hexagram is a six-pointed star, shaped by two overlapping equilateral triangles. It is the central symbol of tantra, tantric Hinduism and Buddhism. It is also a protection symbol against demons and fire as well as a sign of alchemy: The overlapping triangles symbolize the elements. The Star of David, named after Kind David, is a hexagram symbol with religious meaning. The Star of David until today has been most of all the symbol of Judaism and the people of Israel.