how many types of fitness
Physical fitness, a general state of good health, usually as a result of exercise and nutrition
Fitness (biology), an individual's ability to propagate its genes
Fitness (magazine), a women's magazine, focusing on health and exercise
Fitness and figure competition, a form of physique training, related to bodybuilding
Fitness approximation, a method of function optimization evolutionary computation or artificial evolution methodologies
Fitness function, a particular type of objective function in mathematics and computer science
read fittnes part 2 for more detail