Gayatri Devi is an incarnation of Saraswati Devi, consort of Lord Brahma, symbolising the shakti (strength) and dev (quality) of Knowledge, Purity and Virtue. Saraswati Devi is held to be the patronness of the Arts, being a poet and musician, as well as skillful composer. In the form of Gayatri Devi, with the blessings of Lord Brahma, she is believed to have given the four Vedas to mankind.
Gayatri, Savitri and Saraswati are three goddesses representing the presiding deities of the famous Gayatri mantra chanted thrice a day. Gayatri is the presiding deity of the morning prayer and rules over the Rigveda and the garhapatya fire. Every grihasta (householder) was expected to keep 5 or 3 sacred fires Five fires: ahavaneeya, dakshagni, garhapatya, sawta, aavasadha, Bola Deposit Pulsa. in his house to perform Vedic rituals.
In Sanskrit, there are definite rules that regulate poetry: rhyme and meter are not written whimsically. The Gayatri Mantra has a Vedic metre of 24 syllables. Amongst the regulated poetry, the Gayatri mantra, chanted by properly qualified persons, is the most prominent. The Gayatri mantra is mentioned in the Srimad Bhagavatam.