physical fitness is when you are physical or using your body.Fitness is anything including being fit.
I would like to clear things up. I believe you are referring to ones general health in comparison to how the individual experiences his personal endurance.
General fitness is all to do with your mental and physical health. It can be from what sports you participate in to which foods you eat.
specific
Cardiovascular, Flexibility, Body Composition, Muscle Stength, Muscle Endurance