In Hebrew texts, the written form of the unutterable sacred name of God, given as Yahweh or Jehovah in the Hebrew Bible (Old Testament). The vowels are removed to make the name unpronounceable.
The top left trigram symbolizes summer, south, and heaven. The top right trigram represents autumn, west, and the moon. The bottom right trigram stands for winter, north, and the Earth. The bottom left trigram represents spring, east, and the sun. Effective date: 21 February 1984.