A set of keys represents the way to open a door of opportunity. They may point to the keys of knowledge or the tools of yoyr trade. Losing your keys may suggest that you have lost the main idea in the solution to a problem.
Symbolic of spiritual authority over the realm of Satan, Matt. 16:19.
A key can also be a critical or crucial element to something in life
You are a practical and sensible person.
To fit a key into a lock shows that you are very capable and adaptable.
To dream that you lose a Key is a bad sign.
To give a Key to someone shows good fortune in home life.
1. The “unlocking” of the soul or truth.
2. Search for knowledge or understanding.
To dream that you lose your keys signifies anger.
To dream you have a bunch of keys, and that you give them to those that desire them of you, shows great good to poor captives, for it implies that shortly they shall gain their liberty, A key seen in a dream.
To him who would marry signifieth a good and handsome wife, and a good housekeeper. It is cross to a traveler, for it signifieth he shall be put back and hindered and not received. It is good for such as would take in hand other men’s business.
A dream of coldness and hindrances to travelers. Fortunate for managers of other people’s affairs; to dream of giving a key augurs marriage; to receive one, honor and confidence; many keys denote wealth; to lose keys denotes anger and misfortune (Gypsy). A talisman of power, sagacity and foresight. Christ speaks of the key of knowledge (Luke xi, 52). Chinese symbol of prudence.