When the Sun goes down at the end of the day, it is the light of the "Deep" or "Diya" or "Earthen Lamp" that dispels the darkness. Darkness is associated with Sadness, Lifelessness, Ignorance, etc. Light or Prakash is Lakshmi, who gives us the Wealth of Brightness. Deep Lakshmi brings Joy, Celebration, Knowledge and Life. She shows us the way even in Dismal, Dull and Dark situations. Deep Lakshmi signifies the Ray of Light that inspires us towards Life, Ideas and Progress.
In this Idol of Deep Lakshmi, Goddess Lakshmi is standing with Deep or Lamp and gives us the Wealth of Brighness.