Appellate Courts
Both the state and federal court systems have appellate courts that review cases that were originally tried in a lower court. Examples of federal appellate courts are the US Court of Appeals Circuit Courts and the Supreme Court of the United States.
The courts that try cases which have already been tried once are known as appellate courts. These courts try cases and hand down decisions on cases when there may have been an error of some sort made in the original trial. Appellate courts try cases that have already been tried once.
The majority of cases in the US are heard by the various state courts.
Traffic cases are heard in traffic courts. Sometimes, these limited jurisdiction courts also hear low level misdemeanors.
Courts of original jurisdiction (trial courts). In the federal court system, cases of general jurisdiction are heard in US District Courts.
Federal courts may hear civil cases or criminal cases.
murder
Crimminal and Civil cases.
Twelve of the thirteen US Court of Appeals Circuit Courtshave appellate jurisdiction over cases heard in the 94 US District Courts. The Circuit Courts review decisions or other facets of cases that have been sent them on appeal.
Cases where the decision hinges on the application of a constitutional provision are heard in Constitutional Courts. A good example of such cases would include all cases concerning Freedom of Speech as guaranteed in the First Amendment.
lower district courts
Appealed
Lower courts are where cases are initially started. If they are appealed, they are taken to higher courts.
The appellate court with jurisdiction over cases heard in the relevant trial court.