She wears a garland of human heads, variously enumerated at 108 (an auspicious number in Hinduism and the number of countable beads on a japa mala or rosary for repetition of mantras) or 51, which represents Varnamala or the Garland of letters of the Sanskrit alphabet, Devanagari. Hindus believe Sanskrit is a language of dynamism, and each of these letters represents a form of energy, or a form of Kali. Therefore, she is generally seen as the mother of language, and all mantras.