The five basic tattvas are earth, water, fire, air and sky. Each have corresponding symbols and colors. They also have corresponding chakras: earth is associated with muladhara, water is associated with svadisthana, fire is associated with manipura , air with anahata and sky with visuddha.
The five tattvas are present everywhere and having them balanced in the body is essential to one's health. Practicing yoga is the best way to balance the five tattvas, gaining higher levels of consciousness and spiritual fulfillment.