The document defines key terms related to the US court system and judicial process. It discusses the different levels and types of courts, including district courts, appeals courts, and the Supreme Court. It also explains concepts like jurisdiction, judicial review, majority and dissenting opinions, and precedents which provide guidance for future court decisions. Stare decisis refers to upholding previous judicial decisions. Briefs outline arguments for each side of a case. The document serves as a vocabulary guide for civics and economics students studying the US legal system.