Camping - suggests your need for relaxation and a long-deserved break, to get away from everyday stresses. You may be looking to be more in touch with nature and for a more simple life.
Alternatively, it could refer to your social circle, support group, and opening up to your true identity. You need to have a sense of belonging, but at the same time be self-sufficient and independent.
Most archetypal hero-quest journeys include a time of testing in a man-against-nature conflict. As such, it can often symbolize a time of purification to get back in touch with the earth.

Woods/Forest - represent the aspects in the subconscious; growth and strength. Also solitude, quiet, and an affinity for nature and natural things.

Wake Up/Awaken - to realize something; to 'wake up' to a situation; to come out of a period of withdrawal. Also, represents a spiritual rebirth. You may be acknowledging and embracing both your feminine and masculine aspects of self. You are utilizing your fullest potential. Consider also who, or what, awakened you. The aspects of who, or what, woke you up could be an indication of what you are lacking in your own life.

Underwear - Clothing - represents the roles that we play in life, and the stance, or attitudes we use to meet other people or special situations...such as work, danger, self-protection, feelings of reserve, shyness, anxiety, or aggressiveness. Clothes can depict self-respect, and how we see ourselves in society, and how we want others to perceive us..( the difference between what we want, and what we feel others want of us). When we consider their color, our clothes can express our emotional condition and moods.
Underclothes/Underwear - represents intimate sexual feelings, and aspects of yourself that are private.

Hide/Hiding - suggests the unwillingness to face something, or situation in your waking life. In daily life we hide from things that we don't want to deal with or we hide from danger. If you are hiding out of danger, then you should consider those things in your life that you feel propose a threat to you. They could be internal forces or environmental conditions. Generally, we attempt to hide our own negativity and mistakes. This dream may call for an honest reflection on personal characteristics and an evaluation of how much fear influences our lives and decision-making.

Beach - The beach is the meeting place of two worlds, land and sea, which may symbolize the conscious and subconscious, as well as the logical and emotional, realms of the human psyche. Perhaps there is something within your subconscious that the conscious mind needs to acknowledge.
This dream may hint that you are not getting as much pleasure out of life as you could. It may show that you need a period of relaxation and rest. On the other hand, this dream may suggest that you take more interest in your work, or life in general, so that the daily grind becomes less of a trudge and more of an adventure.

Nightclub - signifies a busy social life. Alternatively, it may suggest that you are surrounded by a bad company, or spend too much money or time on things you don't need. The dream may also be a warning that you have given in to temptation, and you may regret it later.

Ex-girlfriend - To dream about your ex-boyfriend/girlfriend or ex-husband/wife, suggests that something or someone in your current life is bringing out similar feelings you felt during the relationship with your ex, or that you are finding yourself in a similar situation that you do not want to be in. The dream may be a way of alerting you to the same or similar behavior in a current relationship. What you learn from that previous relationship may need to be applied to the present one, so that you do not repeat the same mistake. Past lovers may also highlight the positive experiences you had with that person.
Alternatively, to see your ex in your dream may also signify aspects of yourself, or feelings, that you have 'crossed out or neglected.

Friends - Our dreams are full of symbolism with their messengers being all different types of people. It is very common to dream about our friends. These are individuals that are emotionally valuable to us, and we learn about ourselves through them.
This dream is more than likely attempting to bring up uncomfortable feelings that you have about yourself, others...or more specifically, your relationship with your friend. (Remember "uncomfortable" does not necessarily mean bad).

Parents - symbolize power, love, standards, rules, maturity, guidance, shelter, security and emotional warmth. You may be expressing your concerns and worries about your own parents. Alternatively, it represents the merging of the female and male aspects of your character.

Father - Your father or a father figure represents your need for safety and security. Speaking to your father denotes your suppressed desire to be guided and supported.
Dreams with fathers in them can be looked at on several different levels. You may be dreaming about your father and expressing your feelings about him in a safe way.

Traditionally, a father dream can be seen as symbolizing authority and power. In the dream you may be expressing your attitude about strengths and weaknesses as they relate to your position in life and your general attitude toward society.
Family - represents unity, strength, safety, and support. Also, the values, and moral lessons, that were instilled within you at an early age.
Seeing family members in your dream is common, and it represents the way you relate with them. Do you get along with them... do you miss them... are they supportive...etc.

Brother (siblings) -  It is very common for us to dream about all different types of people. Siblings are a fantastic source of dream material. Our siblings are important to us emotionally and psychologically. We are bound to them on some level throughout our lives; thus, they will appear in our dreams in may different forms. We learn important lessons about ourselves through our brothers and sisters. They are a reflection on us, and we can not escape their presence and their love, hate or any other emotion. Your sibling may possess an attribute that you identify with, or that you admire and would like to have yourself.
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Are you feeling vulnerable, or emotionally exposed?
Do you still have feelings for your ex-girlfriend?
Are you maybe a little jealous of your friend?
Is there something that you don't want to face, or admit?
Do you feel as though some emotion is creeping into the logical part of your life?

Hope this gives you some insight, good luck!