Mantra (मंत्र) Is a set of particular words in a particular configuration and rhythm by chanting which one can fulfil one's wish.
Mantra is a word or sound repeated to aid concentration in meditation. Mantra is a Vedic or tantric hymn or statement or slogan repeated frequently. A mantra is given to a trainee meditator when his teacher initiates him. In Sanskrit, literally ‘a thought, thought behind speech or action’, from 'man' - ‘think’, related to mind.