Sri Yantra, also known as Sri Chakra, is called the mother of all yantras because all other yantras derive from it. The Sri Yantra is a configuration of nine interlocking triangles. The nine interlocking triangles centered around the bindu (the central point of the yantra) are drawn by the superimposition of five downward pointing triangles, representing Shakti; the female principle and four upright triangles, representing Shiva; the male principle. The nine interlocking triangles form forty three small triangles each housing a presiding deity associated with particular aspects of existence.
Man's spiritual journey from the stage of material existence to ultimate enlightenment is mapped on the Sri Yanta. The spiritual journey is taken as a pilgrimage in which every step is an ascent to the center, a movement beyond one's limited existence, and every level is nearer to the goal. Such a journey is mapped in stages, and each of these stages corresponds with one of the circuits of which the Sri Yantra is composed from the outer plane to the bindu in the center.