What is the specific definition of BMI, body fat, water, visceral fat, basal consumption, bone mass, muscle and other information detected by Mi Body Composition Scales?

Problem Explanation: 
BMI: Refers to the body mass index, is currently used in the international measure of a standard of human body fat and thin.
Body score: How well you score on your physical condition.
Body fat: Body fat rate refers to the proportion of body fat in the total weight of the human body. It is an important criterion for judging obesity.
Muscle: The amount of skeletal muscle, smooth muscle, and muscle tissue that contains the body's water.
Water: the percentage of water in the human body, refers to the blood, lymph, extracellular fluid, intracellular fluid, etc.
Basal metabolism the minimum amount of energy necessary to sustain the basic activities of life.The person with high basic metabolization belongs to not easy fat constitution.
Visceral fat: Fat stored in the gaps between the internal organs. High visceral fat index will increase the risk of chronic diseases such as heart disease, hypertension and hyperlipidemia.
Bone mass: The amount of calcium and phosphorus contained in bones, especially in women with reduced bone mass due to obesity or amenorrhea, should be of particular concern.