"Something that opens or prepares a way. The KEY is the mechanism of the powers of opening and closing, and denotes liberation, knowledge, mystery, and initiation. SILVER KEYS usually refer to temporal power, while GOLD KEYS refer to Spiritual Power. In Christianity, it is the emblem of St. Peter as the Guardian of the Gate of Heaven, and the KEY may either confine or release. In addition, elements of secrecy and discretion coincide. There are many Christian connections, The KEY to Heaven, Power to absolve sin, sign of fidelity and faith. When paired with a male Dove is the Spirit opening the Gates of Heaven. { University of Michigan Symbolism Project }