Symbols of esoteric interpretations, first about the Old Testament, and then about secret doctrines which try to interpret the functioning of the world. Kabbalah.
In esotericism, it is known as the White Pentagram, and it is a basic protection symbol; a shield that returns evil wishes and curses to its origin. When practicing white magic, it gives protection against danger
The Tetragrammaton is an ancient amulet, which was very popular during the Middle Ages; it can still be found nowadays in one of Westminster Abbey's windows. There are many variations of this symbol. The most usual one has four Hebrew letters inscribed in a circle with a pentagram (five-pointed star). The Hebrew letters literally translate to YAHWEH (God, in Hebrew). The amulet is a physical and spiritual protector of health and safety.The Tetragrammaton is an amulet with great protection powers. It is the protector of health and safety in a physical and spiritual sense. Due to its great protection powers, it is also used as a shield against the power of black magic.