It is also a combination of letters which are sounds, or a compilation of words with specific spiritual potentialities. These potentialities unfold themselves in the physical body as a result of awakening the power centers in the body because of the sound waves released by the repetition of the letters of the Mantra. The real power of Mantra lies hidden in the form of syllabes, and is awakened by uttering the Mantra repeatedly. Mantras contain powers and deep philosophical meaning. Singing them benefits mental, physical, and spiritual health.
Mantras are energy-based sounds and are tools of power.
They create thought energy waves. It is also a Moksha mantra. It is Lord Siva's Mantra. This world is the arena of our evolution, which leads by stages to moksha, liberation from birth and death. All of life is religion.