Knife 
To dream of carrying a knife symbolizes anger, hostility, and/or separation. Perhaps you wish to cut off a certain aspect of your life.
To see a dull knife indicates you received minor gains and benefits from all your hard work.
To dream that you are wounded by a knife notes that you or someone else is affected by spiteful remarks or malicious rumor.
To spot an electric knife in your dream represents your power to immediately uncover the truth regarding a situation.
Machete
To dream of wielding a machete indicates the cutting through of old ideas in your consciousness. This will prepare you for new growth, both emotional and spiritual.
To see a machete on the ground before you indicates an opportunity to make a positive step towards personal fulfillment. You must summon the courage to pick it up.
Someone else wielding a machete at you suggests it is time to be brave enough to walk away from a situation that may be causing you to feel threatened and under attack.
Exchange
To dream of an exchange of any sort suggests a monetary advantage that will be viewed as a positive thing.
Operator
To dream of listening to an operator on the telephone suggests the need for a third party or mediator in a current communication issue.
There may be a situation that requires your undivided attention, and you may need help coming into spiritual or emotional alignment before tackling it.
Dagger
To dream of a dagger indicates the ability to move out of an unhealthy situation with courage. A dagger also suggests a desire to be stronger and to say what you think instead of hiding your feelings. A dagger being used to defend the self within a dream may be significant in that it shows an unconscious strength and willingness to act in the interest of personal justice. A dagger being used against the self may indicate an emotional weakness in a situation that calls for your strength at this time.
Birch Tree
Birch trees are commonly seen in dreams in large numbers such as in a heavy, thick forest. Experiencing a dream where you are running through a forest symbolizes feeling of lost or vulnerability. Though this may seem like a negative symbol, generally a forest symbolizes a place you can find yourself and help heading in the right direction.
A single birch tree represents life, so consider what the environment and the characteristics of the tree could be saying about your waking life. For instance, a tree with dropping leaves could symbolize running out of time while a flourishing tree with birds chirping inside symbolizes a thriving, exciting, and lively life.
Convertible
To see or dream that you are in a convertible implies that you like to promote yourself to the world. You aren't afraid to display your possessions and status.
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