Correspondences are objects whose vibrations and characteristics are compatible with the energy of a chakra. That relationship creates a synergy that can be used to balance chakra energy like a pitch fork is used to tune a piano. Here are some examples of Sacral chakra correspondences.
COLOR:
Orange reflects vitality, confidence, and the radiant energy of creative life force.
ELEMENT:
Water embodies emotion, creation, and transformation.
SYMBOL:
A six petaled lotus representing harmony between body and spirit, emotion and expression, creation and surrender.
PHYSICAL:
Lower abdomen, reproductive organs, kidneys, and bladder.