Definition - What does Executive Order mean?
An executive order is a declaration by the Governor or President, which has the authority and power of force of law. It is based on current statuary powers and there is usually no need for state legislature or Congress to take any action.
Justipedia explains Executive Order
This presidential power comes from the United States Constitution and Congress. Although the power comes from Congress, an executive order doesn't require any permission or approval from the Congress. The President can set these rules without facing any type of opposition.