district courts are responsible for determining the facts of a case. They take both criminal and civil cases. In a criminal case, a district court will decide if a person is guilty or innocent based on the evidence presented.
a lot there are many
Traffic cases are heard in traffic courts. Sometimes, these limited jurisdiction courts also hear low level misdemeanors.
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.
Federal District Courts have jurisdiction over all federal cases occurring/originating within their circuit. US Courts of Appeal have jurisdiction over all cases referred to them from the District Courts within their circuit.
It depends where the district court is. Many states have courts that they call "district courts" but what a district court is responsible for varies state to state. Fortunately, many courts now have website where you can look up information about the court, including what kind of cases it handles.
It really depends what kind of courts you are talking about and where the courts are. If the courts are federal, then a district court is a trial court and a circuit court is an appeals court, which may review a trial decision from a district court. For state courts, the difference between a district court and a circuit court will depend on what state the courts are in. Many states have courts called "district court" and "circuit court," but what kinds of cases these courts handle differs state to state.
It may depend on what county you are in and what kind of county court it has - jurisdiction of individual county courts varies widely. Criminal cases heard by Constitutional County Courts include some Class A and Class B misdemeanors. Constitutional County Courts may exercise exclusive jurisdiction over some misdemeanors and may share jurisdiction over certain types of cases with Justice Courts, other County Courts and District Courts. Criminal cases heard by County Courts at Law include most misdemeanors. County Courts at Law may have exclusive jurisdiction over some misdemeanors that do not have a potential penalty of incarceration. County Courts at Law may also handle violations of health or safety ordinances. For specific information regarding the county courts in your county, see the related link.
United States District Courts have original jurisdiction over cases involving federal crimes, civil suits under federal law, civil suits between citizens of different states, admiralty and maritime cases, bankruptcy cases, actions of certain federal administrative agencies, and other matters that may be assigned to them by Congress.
Criminal cases in the U.S. are heard at a district court. The judge here then decides whether the matter is serious enough to be passed to the state court.
This is admittedly an educated guess and may be applicable only in the US: But I believe the answer would be Municipal Courts or County-level court systems probably hear the most cases due simply to the sheer number of misdemeanor and traffic cases that are heard each day.
District Courts are also know as trial courts and they are divided into four categories which include civil, criminal, juvenile, and magistrate categories.
The Supreme Court hears three kinds of cases. Cases appealed from lower federal courts account for two-thirds of the cases they hear. They also hear cases appealed from state's supreme courts, and sometimes hear cases that have not been previously heard by a lower court, such as between one state's government and another.