If you dreamed of being in a space, then such dream indicates how open minded you are and able to be on your own without others help. On the other hand, the dream could warn you about the fact that you are not grounded enough and being out of space.
Dream dictionary: ww sex.sex.open.2.gh.comant dream meanings
Dreaming of a vault, denotes bereavement and other misfortune. To see a vault for valuables, signifies your fortune will surprise many, as your circumstances will appear to be meagre. To see the doors of a vault open, implies loss and treachery of people whom you trust.
Symbolizes fertility. It reveals sensuality and pleasure. Dreaming of a pomegranate, more if its split open, means someone will appear in our lives who will fulfill our lustful desires.
…If you open the can, then such dream shows your self – trust in things you are able to do. The can opener is also the symbol of newness and novelty. Perhaps you like to set the new challenges for yourself….