Unlike Patanjali’s Ashtanga Yoga, Osho’s "Dynamic" or "Kundalini" meditations are designed specifically for modern, stressed humans. The PDF might contain specific visualizations for each chakra, such as focusing on the Bhrumadhya (third eye) or sounds associated with Anahata (heart chakra).
Often highlighted as the transition point between the material and spiritual worlds. The Sahasrar (Crown): Osho cakra Kitabi Pdf