A "solid" understanding of mudras often includes their physiological "story"—the belief that the hands are a microcosm of the universe. Each finger represents an element:
Many famous mudras serve as "shorthand" for the most pivotal moments in the life of Siddhartha Gautama.
The Dharmachakra Mudra (Turning the Wheel of Law) commemorates the moment the Buddha delivered his first teachings in Deer Park. 3. The Science of the "Five Elements"