Here they use eight different types of materials for the ceremony. Water symbolizes the ocean of birth, life, death, and misery. It symbolizes an honest, truthful, and compassionate life. Sandlewood symbolizes right knowledge. Flowers symbolize conduct that is full of love and compassion.
Incense symbolizes asetic life.
This represents a Pure Consciousness or Soul without any bondage, or a Liberated soul. Rice symbolizes the last birth. One should attempt to not be tempted by rich, delicious food because the ultimate aim is to live without food, which is the life of a liberated Soul. It symbolizes Moksha or Liberation. It is the ultimate achievement of life.