What are the basic daily nutritional requirements?

400 charact not enuf. Too detailed to give full answer here. In brief, adequate fluid, protein calories, fat, carbohydrate (macronutrients), as well as essential vitamins and minerals (we don't make them, need them for growth, development, repair) which need to come from diet. About 40+ nutrients all told. Easily available info online; just google your question (get more specific re: age, sex, preg, etc-differs for all.