To dream of a rack, denotes the uncertainty of the outcome of some engagement which gives you much anxious thought.
To dream of a dish rack shows you are domestic minded but may be spending too much time home alone. A clothes rack denotes uncertainty in a coming marriage. if you dream of being tortured on a rack then you are doing something that is harming the body and you need to watch your diet and exercise when and if possible. Your subconscious knows what you need and will show it too you in a later dream if you are alert to it.