Rapping 
To hear a rapping in a dream suggests that you have fear of an approaching confrontation. You may be experiencing guilt which you're afraid may be catching up to you.
Abortion
To dream about having an abortion signals that you are inhibiting your personal growth and that you might be reticent about going in a different direction. Such a dream might also refer to an actual abortion and act as an aid in dealing with the emotional consequences.
Such a dream can also be a recommendation to pay attention to your health.
Calendar
To dream of a calendar represents your organized nature. You are generally very well-prepared for what life brings your way.
Dandruff
To dream that you have dandruff suggests that you are not utilizing your efforts in the most efficient way. Pressure has been mounting upon you for some time. It is wise to consider a new way of dealing with your current circumstances. On the contrary, this dream could represent a shortcoming in your self-image.
Darkroom
To dream that you are in a darkroom indicates that you are pausing in hopes that something will occur in your benefit.
Ignition
To dream of turning on the ignition indicates a readiness to swiftly move forward towards your goals. You are psyched and ready to reach your aspirations.
Kangaroo
To dream of kangaroos is indicative of parental protection, both maternal and paternal. This may be a characteristic of yourself that you would like to express.
Kangaroos in dreams may also be representative of anger or desire to fight. Being attacked by a kangaroo is symbolic of false accusations accosting you in the future. Be aware of these accusations as they put your reputation and good name at risk.
Katydids
Seeing a katydid is indicative of having a relaxed attitude about life. It also means that this attitude may cause you to lose a lover.
The sound of a katydid in a dream represents your need to rely on yourself more and on others less.
Knapsack
To dream of a knapsack represents your ambitions, wishes, and kept secrets. It also symbolizes the emotional baggage, concerns, and obligations that are weighing you down.
Knuckles
To dream of seeing knuckles indicates hard work and thoroughness.