The Supreme Court shall exercise appellate jurisdiction in all cases, criminal and civil, under such terms and conditions as it shall specify in rules not inconsistent with law. The Supreme Court shall have original jurisdiction only as provided by law, but it shall have the power to issue all writs necessary or appropriate in aid of its appellate jurisdiction. The Supreme Court shall have administrative control of all the courts of the state, and disciplinary authority concerning all judicial officers and attorneys at law in the State.