For the average person, endurance translates into a store of daily energy that isn't depleted by stress or illness. Aerobic exercise builds endurance, and jogging is one of the easiest forms of aerobic exercise. Your endurance goal should be to complete a 30 minute jog, either in place, indoors or outdoors. Endurance development isn't achieved by forcing your body to a one-time, beyond your capacity test. Beginning developing your endurance by developing your personal fitness in a consistent, moderate manner.
Flexibility refers to the ability to perform a movement over a wide range of motions.
Flexibility is joint and location specific, and aspects of speed, strength, endurance skill are interrelated.