Vitarka Mudra: It signifies the discussion and transmission of the teachings of the Buddha. It is performed by joining the tips of the thumb and the index fingers together while keeping the other fingers straight, which is just
like to Abhay Mudra and varada mudra but in this Mundra the thumbs touching the index fingers.Abhaya Mudra:
It is a gesture of fearlessness or blessing that represents the protection, peace, benevolence, and dispelling of fear. It is performed with the help of right hand by raising to shoulder height with bent arm and the face of palm will be facing outward with fingers upright whereas the left hand hanging down while standing. This gesture is characteristic of Buddha Shakyamuni
and Dhyani Buddha Amoghasiddhi.
Vajra Mudra
This gesture denotes the fiery thunderbolt that symbolizes the five elements, i.e. air, water, fire, earth, and metal. It is performed with the help of right fist, left hand forefinger, which placed by enclosing the erect forefinger of the left hand in the right fist with the tip of the right forefinger touching (or curled around) the tip of the left forefinger.
Bhumisparsa Mudra
This gesture is also known as “touching the Earth” which represents the moment of the Buddha’s awakening as he claims the earth as the witness of his enlightenment. It is performed with the help of the right hand, which is held above the right knee, reaching toward the ground with the palm inward while touching the lotus throne.