Importance of GAYATHRI MANTRA & It's inner meaning

"Om bhur bhuvah svah tat savitur varenyam bhargo
devasya dhimahi dhiyo yo nah prachodayat"

Aum: Brahma or Almighty God
bhuH: Embodiment of vital spiritual energy (pran)
bhuvaH: Destroyer of sufferings
swaH: Embodiment of happiness
tat: That
savituH: Bright, luminous like sun
vareNyaM: Best, choicest
bhargo: Destroyer of sins
devasya: Divine
dhiimahii: May imbibe
dhiyo: Intellect
yo: Who
naH: Our
prachodayaat: May inspire

The presiding deity of the Gayatri Mantra is Lord Sun. Gayatri is personified as a goddess, the consort of Brahma (Sarasvati), and mother of the Vedas.