| A | B |
| Circuits | Districts that courts serve |
| jurisdiction | the authority to hear and decide a case |
| exclusive jurisdiction | means only the Federal courts can hear and decide a case |
| concurrent jurisdiction | either Federal or state courts could hear the case |
| District Court | Federal courts in which trials are held and cases are heard |
| appeals courts | review cases from lower courts |
| appelate jurisdiction | authority of a court to hear a case from a lower court |
| Original Jurisdiction | the ability to hear cases for the first time |
| opinion | detailed explanation as to why a court ruled the way they did |
| precedent | a model judges can base their rulings on; usually a case heard prior |
| remanding | sending a case back down to a lower court to be reconsidered |
| Magistrates | officials that take care of much of a judges routine work. |
| U.S.Attorneys | lawyers that try cases on behalf of the United States |
| U.S. Marshals | like a police force for the judicial branch; carry out work |