Final answer:
The explicit powers granted to the president by the Constitution are called express powers, and are directly spelled out in Article II.
Step-by-step explanation:
The powers the Constitution explicitly grants to the president are known as express powers. These powers, which include the authority to veto legislation, act as commander in chief of the armed forces, grant reprieves and pardons, and require opinions from departmental secretaries, are specifically delineated in Article II of the Constitution. Unlike emergency powers or executive privileges, which have been interpreted or implied over time, express powers are those directly enumerated in the text of the Constitution itself.