Shakti, Kundalini, and the River of Tantra Yoga Meditation

From www.SwamiJ.com: There is one energy flowing in a river, a hydroelectric power plant, electricity, and the many forms of energy such as recorded music, television, and microwaves. Similarly, there is one energy in the universe, Shakti, that manifests as many forms, which have many names, such as kundalini, prana, chakras, and the physical body.