Arena 
An arena is a place typically used for theatrics or feats with an audience, so this dream means that you need to be in an environment where you can freely express yourself, or that you need a stage or platform for your self-expression. Alternatively, it may be warning you that there is some issue or problem that needs to be revealed to people around you.
Rib
To dream of ribs embodies paucity and sadness.
Zoo
To dream that you are visiting a zoo indicates a loss of your freedom. It further symbolizes that your talents and abilities have gone unnoticed. You may feel that you or an aspect of yourself is caged in.
Conversely, a zoo may indicate confusion or chaos in your life. This feeling is exemplified by the saying 'this place is a zoo!' Consider what aspects of your life may need to be straightened out.
Farm
To dream about a farm indicates that you should expand or grow certain parts about you in order to make the most of your prospects. You are in the right state of mind to mature.
Mars
To dream of Mars indicates that you will be betrayed by close peers. This will cause you great anguish and despair for a long period of time.
Desk
To dream that you are sitting at your desk indicates that you are considering situations and dilemmas that you are facing. This dream represents the sense of self-realization and recognition.
Shark
To dream of a shark symbolizes a ruthless and corrupt individual who is only concerned about himself and disregards the needs of others. The shark may also represent these same aspects of your own character. Perhaps you are experiencing a stage in your life of great distress and anguish. The shark represents harsh emotions such as rage, aggression, and violence. These feelings may harm the mental well-being of yourself and those around you.
Chest
To dream of your chest represents assertion, victory, and enthusiasm. It may also imply that you fear an upcoming conflict or altercation with someone or some issue. Perhaps this dream is reminding you that you need to unburden yourself of emotional issues.
To dream that you are beating on your chest implies that you have just achieved an important victory or have found success.
Desert
To dream that you are walking through a desert suggests bad luck and deprivation. Your good name could be under assault. Deserts are symbols of emptiness, void of hope, infertility, and a sense of being alone.
Laundry
To dream that you are doing your laundry symbolizes your intentions to clean up your image. You are conscious about how others perceive you and you wish to adjust to earn their approval.
To dream that you are having someone else do your laundry represents rumor.
To sort the laundry in your dream suggests your desire to sort out some aspects of life. You wish to understand your own feelings.
To see a laundry chute indicates that you are not affected by the expectations and perceptions of other people. You are firm with your decisions and opinions. Alternatively, it symbolizes soul-searching and/or ill feelings.