1. Spherical droplet 2. Places where internal reflection of the light occurs 3. Primary rainbow 4. Places where refraction of the light occurs 5. Secondary rainbow
6. Incoming beams of white light 7. Path of light contributing to primary rainbow 8. Path of light contributing to secondary rainbow 9. Observer
10. Region forming the primary rainbow 11. Region forming the secondary rainbow 12. Zone in the atmosphere holding countless tiny spherical droplets.
