Postcard 
To dream of a postcard suggests you should be candid and accessible.
Scissors
To dream that you are using scissors indicates that you have complete command over aspects in your life; you are strong-minded and determined. In addition, it may also signify the need to distance yourself from certain people or situations in your life.
Stiletto
To dream of seeing or wearing stilettos represents your attitudes towards eroticism, control, and desire. You are expressing your sexual feelings and fantasies.
Threaten
To dream about issuing threats means that you need to be more emphatic.
To dream that someone is threatening you shows that you must deal with your worries about weakness.
Tricycle
To dream of a tricycle signifies the end of tension and cause of worry in your life. It also denotes your straightforward and free-spirited nature.
Tweezers
To dream of tweezers implies that you have been put on a compromising situation by your peers. This has caused you great pain and humiliation.
Umbrella
To dream of an umbrella represents that by putting up a safeguard, you are trying to avoid your emotions. The umbrella is also representative of emotional refuge. If the umbrella in your dream leaks, it represents that you are not equipped to face your own tribulations.
To dream that you are unable to open the umbrella while it is raining signifies that you are facing your feelings and you are permitting your feelings to surface.
Violence
To dream of violence or a violent act is meant to remind you of anger that you have tried to hide from those around you. It is likely that your life lacks structure and discipline. A dream in which violence is prevalent may also indicate memories of child abuse that you have locked away.
Vitamins
To dream of taking or seeing vitamins symbolizes the weak nature of your self-control. You must strive to become stronger in your convictions. Conversely, vitamins may indicate that you have made some poor dietary decisions and your body is lacking in some important nutrients. Consider changing your diet to include more healthy food choices.