Kidnap, abduction: Feeling of being controlled by circumstances or someone.  Additionally there could also be a desire to reclaim back one’s power.

King, emperor: A symbol of the Divine aspect within  oneself.

Kissing: probably a dream of passion.

Kite: 1. Flying a kite signifies eventual success after overcoming some obstacles.
2. Struggling with a kite may indicate that one feels and believes that he/she is at the  mercy of a certain circumstances.

Knife: Associated with an aggressive aspect of self. Knife used on someone (in the dream) but rendered unharmed may be indicative of feeling powerless against something.

Knight: Refer to qualities associated with knights, such as bravery and saviorship.

Knitting: Denotes healing and repairing something, such as  relationships.

Kaleidoscope: Associated with fragmented parts of a whole.

Key: Solution to a problem. Unlocking of some issues or secrets within.