Farming can be classified (grouped) according to what it grows and how it is grown: Arable (Crops), Pastoral (animals), Mixed (Crops and animals), Subsistence (Grown just for the farmer and his family), Commercial (Grown to sell), Intensive (High inputs of labour or capital usually small), Extensive (Low inputs of labour or capital), Sedentary (Permanently in one place), Nomadic (The farmers move around to find new areas to farm).