What is there to say about lightsabers? Well there are 7 different colors of the lightsaber and they each mean a different thing. Here they are:
Green: Mastery of the force, fully trained and calm.
Blue: You have just learned to calm your mind and listen to the Force. When you can hear The Force, you will be allowed to have the green saber.
Purple: This one means that they are worried about the future. They spend lots of their time thinking of what they think will happen next.
Orange: Orange is the color of loyalty. They will keep at what they are doing when they find out the right thing to do.
Yellow: Yellow is the color of skill. They have skill with the lightsaber and their skill with the Force is average.
White: Is the color of absolute strength and ability. They have mastered the both and skills with a lightsaber. The amount of power needed is so immense, that almost no one EVER has been able to use such a saber. The person using this color saber is nearly unstoppable. If they were against 100 Sith, they would probably win.
Red: Is the color of hatred. Whoever uses this color saber is considered on the dark side. This color symbolizes hatred, and fear.