To orbit is to follow a circular or elliptical path around a central body. Usually a planet, moon or satellite is described as orbiting, but a child who has too much sugar can sometimes orbit around his parents in an annoying fashion.
The FDA was empowered by the United States Congress to enforce the Federal Food, Drug, and Cosmetic Act, which serves as the primary focus for the Agency; the FDA also enforces other laws, notably Section 361 of the Public Health Service Act and associated regulations, many of which are not directly related to food or drugs.
In the United States, there are 15 federal agencies responsible for food oversight, including food safety, quality control, and labeling. Of those 15, the FDA is authorized under the Nutrition Labeling and Education Act of 1990 to ensure that food products are properly labeled.21