Saraswathi' signifies mastery over speech. Hence chanting of Hamsa Gayatri enables man to acquire the mastery over senses, life and speech. Bhuva' and 'Svuha'. These three also stand for materialisation, vibration and radiation respectively. The three worlds of Bhuloka, Bhuvarloka and Svuharloka are in fact combined in man himself.
Man is the embodiment of the three worlds and also the three times.
Man is the embodiment of Cosmic Divine. Man has sacrificed his Inner Divinity at the altar of the senses. He is selling away the jewel of life in exchange of charcoal. Man is in fact God, 'Manava' is indeed 'Madhava'. Awareness is acquisition of total knowledge, but not half knowledge.