Each Jedi character has six main attributes, which are used in most actions not related to lightsaber combat.
Attributes have a positive integer value (and thus may not be 0). The maximum level in an attribute is a character's Force Level or 5, whichever is higher. Thus, a force level 4 Jedi Padawan is limited to having 5 levels in an attribute.
The attributes represent their Control over themselves, there Sense of the universe around them and their ability to Alter reality. Each of these aspects is approached both in Body and in Mind. Together, these different aspects form the six main attributes:
Fitness represents the direct ability of the Body to Control itself, its position, its movements, etc. It is used to jump great distances, for endurance while chasing an enemy, and for dexterity to balance a speeder bike on a narrow ledge at 400 miles per hour. Any check which requires your body to be well adjusted is a Fitness check. If the check changes the world, such as moving a heavy object, rather than yourself (such as jumping to a different location), it is a Strength check instead of a Fitness check.
Vision is the ability of the Body to Sense its surroundings and the universe. It is used to spot a hidden enemy hiding in the bushes, to move around a factory unseen by the camera's and security and to hit targets at a distance with a sniper-blaster. Any check where you attempt a physical action related to seeing or noticing and being seen and noticed is a Vision check. Despite the name, vision also includes the non-visual senses such as hearing and smell.
Strength represents the ability to physically Alter the world using your Body. It is used to break open a locked door, to punch an enemy in the face and to alter the course of a battle by leading troops in an armed conflict. Any check made to physically change the world around you is a Strength check. If the check changes you, rather than the world, such as jumping onto a ledge, it is a Fitness check instead of a Strength check.
Reason is the ability to Control and use the Mind to understand the world in a rational manner. It is used to remember something obscure that was read long ago, to repair a broken computer program and to solve a crossword. Any check made to solve a problem using rational thought and logic is a Reason check. Reason can be used to make a compelling argument, but it cannot be used to convince another. This requires Intuition.
Intuition is the ability to use the Mind to Sense the correct course of action. It is used to find the perfect words to seduce a beautiful girl, to sense disturbances in the force and to detect patterns in raw data that are not immediately obvious. Any check made in dealing with emotional beings or finding hidden information is an Intuition check. Intuition can offer new information deducible from known information, but it cannot provide new facts from scratch.
Energy is the ability to manipulate and control energies and for the Mind to Alter the world. It is used to Pull your lightsaber to your hand when it is out of reach, to summon lightning from your extremities to strike your opponent and to redirect the heat of a flame so that you can pass through the fire unharmed. Any check where you use the Force to manipulate your surroundings without physical effort is an Energy check. Energy checks can generally only be made by those who are trained in the Force.