The best answer that defines the power given to the Supreme Court in regard to original and appellate jurisdiction is:
The Supreme Court has original jurisdiction over any case involving constitutional law or federal statutes and has appellate jurisdiction from lower courts.
This statement accurately describes the Supreme Court's jurisdiction as outlined in the U.S. Constitution. The Supreme Court has original jurisdiction in certain cases, such as those involving ambassadors and those in which a state is a party, and appellate jurisdiction in cases that arise from lower courts.