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.
An elementary school teaching assistant is an adult who is hired to help a teacher with class-related duties, which are similar to those encountered in middle and high school settings. They are sometimes referred to as paraprofessionals ('paras' for short) or teacher's aides.