I might be wrong about all of this...but this is what I've gathered on astrology.

• sun sign (the head)
  • ego
  • self
  • essence
  • identity
• moon sign (the heart)
  • emotional side
  • instincts
  • habits
  • deepest personal needs
• rising sign (the mask)
  • how the world perceives you
  • how you perceive the world
• venus sign (love)
  • how you define beauty, art, and love
  • how you are in love or in a relationship
• mercury sign (communication)
  • how you communicate
  • how you express yourself
  • reasoning + wit
  • process of thought
• mars sign (action)
  • how you go about/do things
  • goals + drive + energy
  • willpower
  • how you are when you are angry
• jupiter sign (luck)
  • principles of growth
  • expansion
  • prosperity
  • good fortune
• saturn sign (challenges)
  • limitation
  • restrictions
  • boundaries
  • practicality + reality
• uranus sign (change)
  • individuality
  • freedom
  • enlightenment
• neptune sign (destiny)
  • creativity
  • idealism
  • compassion
  • deception, illusions, confusion
• pluto sign (transformation)
  • spirit over mind
  • destroys in order to renew
  • life changes

everything gets filtered through the sun sign.

look at your astrology chart information from this site here.