The Federal Judiciary is a term that refers to the system of courts that interpret federal laws, including the Supreme Court, Circuit Courts of Appeals, and District Courts. Some synonyms for the Federal Judiciary include the Federal Court System, the United States Courts, and the Federal Judicial Branch. The Supreme Court is often referred to as the highest court in the land, while the Circuit Courts of Appeals are sometimes called the intermediate level between district courts and the Supreme Court. The Federal Judiciary plays a crucial role in upholding the Constitution and ensuring justice is served in accordance with the law.