Agni: Fire; It is the cosmic power of heat and light and the will power united with wisdom. Human will power is a feeble projection of this power. It can be strengthened by the RV chants to Agni.
Indra: He is the Lord of the Divine Mind and Action. In Indian tradition, mind is not a source of knowledge, it manipulates the knowledge to aid action. Indra battles the evil forces on behalf of the human.
Vāyu: Wind; He is the Lord of all the Life-energies, Prāņa which represent the passions, feelings, emotions and abilities.
Ashvins: The Lords of Bliss and Divine Physicians who render the human body free of disease so that it can accept the divine Prāņa, the life-energy.
Mitra: The Lord of Love and Harmony.
Varuņa: The Master of Infinities who cannot tolerate restrictive thinking or actions. Only he can cut the three bonds which restrict the three aspects of every human being – physical, vital and mental.
Sarasvati: The Goddess of inspiration
Iļa: The Goddess of revelation.
Sarama: The Goddess of intuition.
Sūrya: The Supreme Deity of Light and Force.
Symbolism of some common nouns
go: Cow; each go stands for a particular type of Light or Knowledge.
ashva: Horse; stands for the vital energy which the devās can bestow.
adri: Hill; the force or beings of inconscience and ignorance.
āpah: Water; the divine energies flowing from the heights purifying all mankind.
nadi: River; the flowing current of energies.