What the different between aerobic and annerobic fitnnes?

aerobic exercise is any sort of endurance training, like running long distances. They rely on the body receiving oxygen in order to give the muscles energy, so the blood flow increases. The lungs and heart are strengthened with aerobic.

anaerobic exercise is quick like sprinting a 100m or weight lifting.

Aerobic refers to cardiorespiratory fitness, and anaerobic refers to muscular fitness.