The concept of "Everything" (Total unification of the relative and Absolute) is
embodied in the Sri Yantra, or Sri Chakra. Worship of the Sri Yantra is a part
of the traditional Shankaracharya Tradition. (but MMY has abandoned such
worship for reasons of his own, possibly to make TM more palatable to
Westerners and especially scientists, by eliminating - at least on a
superficial level - most vestiges of Divine Mother worship.
The TMO bigwigs have yet to reveal what they mean by "The Divine Mother":