The four parts of the judicial system include the: supreme court district courts congress circuit courts court of veterans' appeals electoral college

District courts.
Circuit courts (US courts of appeals)
The Supreme Court
US Court  of Appeals  for Veterans Claims

In your listed options, the United States Court of Appeals for Veterans Claims was listed as "Court of Veterans' Appeals."  The Court of Appeals for Veterans Claims was established in 1988 by the Veterans' Judicial Review Act.  The other three types of courts -- District courts, US courts of appeal (also known as circuit courts), and the Supreme Court are part of the three-tiered system of federal courts for criminal cases and for civil cases that pertain to the United States Constitution or federal statutes.  The Court of Appeals for Veterans Claims is a federal court also, which has jurisdiction to review decisions made by the Board of Veterans' Appeals, in regard to decisions made about whether veterans of armed services are entitled to receive benefits.