Footprint of the Buddha. Sikri, Khyber Pakhtunkhwa province 2nd–3rd century CE. Lahore Museum, The footprint of the Buddha (buddhapada) was one of the earliest symbols used in Buddhist art. It stands for his former physical presence and is an object of profound veneration. The swastikas at the tips of the toes and the omega symbol on the heel are auspicious symbols. The central wheel represents the Buddhist doctrine.