The key symbolizes guardianship and knowledge. The key is a symbol of opening
and closing powers. It represents curiosity, knowledge, initiation and mystery.
The meaning of the key depends on its color. Silver keys symbolize temporal power.
A gold key represent spiritual power. Two keys crossed in saltire is the emblem
of St. Peter. He held the keys to the gates of heaven, and this emblem is part
of the insignia of His Holiness the Pope. They occur in many ecclesiastical coats
of arms but also in the arms of regular families. In Christianity the key to heaven
is the power to absolve sin. It is a sign of faith and fidelity. The key is the
spirit opening the gates of heaven.
The lock has long been a powerful heraldic symbol of protection. It represents
the confidence of your safety and the next day.
Together lock and key symbolizes the obstacle and the solution. They show that
there's no unsolvable problems and there's always a way out of different situations.
Wearing belly button ring with jeweled heart lock and key you'll show that it's
not easy to gain your sympathy but it's possible.