Why does the Constitution give fewer details about the power of the President than it does the Congress?

The framers gave the President more power so the position required less details
The framers thought that Congress would be responsible with outlining the powers of the President.
The framers thought that Congress would be the most important branch of government.
The framers were in a rush to finish the Constitution and had less time for the President.

The framers believed that giving the President more flexibility and discretion in carrying out their duties would allow the office to adapt to changing circumstances and effectively respond to crises. They also wanted to avoid the potential for an overly powerful executive branch that could become tyrannical. Additionally, the framers likely assumed that the specific powers and limitations of the President would be further defined through legislation and the judicial branch over time.