Old Faithful is the specific name of a geological phenomenon. The opposite of a proper noun is a common noun, sometimes known as a generic noun. A common noun is the generic name of an item in a class or group and is not capitalized unless appearing at the beginning of a sentence or in a title. The girl crossed the river.
The United States district courts are the general trial courts of the United States federal courts. There are 94 such courts. Both civil and criminal cases are filed in the district court, which is a court of both law and equity. There is a United States bankruptcy court and a number of bankruptcy judges associated with each United States district court.
The Judicial Branch of the government is made up of judges and courts. Federal judges are not elected by the people. They are appointed by the president and then confirmed by the Senate. There is a hierarchy of federal courts in the United States. At lowest level are 94 U.S. District Courts which cover different regions of the country and handle most federal cases. Above the District Courts are the 13 Courts of Appeals. At the top of the Judicial Branch is the Supreme Court. The Supreme Court has the final say.