As of 2007, it has developed a definition for lean that is given to foods that contain less than 8 grams of total fat, less than 3.5 g of saturated fat, and less than 80 milligrams cholesterol per serving.
In the United States, the term tutor is generally associated with one who gives professional instruction (sometimes within a school setting but often independently) in a given topic or field.
Teaching refers to secondary school. and means you are instructing, working through things practically and verbally with a class... Tutoring - Is private one to one teaching, which is normally paid for from the student. Lecturing - refers to university, technically you are being talked at.