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.
defines and lays out the powers of the three branches of the federal government legislative branch the House of Representatives and the Senate; creates statutory laws (statutes) such as Medicare and HIPAA executive branch the president and staff, namely cabinet-level agencies; enforce the law; (ex: CMS, which enforces Medicare laws, are contained within the US Dept. of Health and Human Services, a cabinet-level agency that reports to the president)