Supreme Court: The highest court in the land that has final jurisdiction over all federal cases. It consists of 9 justices who interpret constitutional issues and make significant legal interpretations.
Appellate Courts (Circuit Courts): These intermediate-level federal courts review decisions made by district courts. There are 13 circuit courts spread across various regions within the United States.
District Courts: These are trial-level federal courts where most federal cases begin. They handle both criminal and civil matters within specific geographic areas called districts.