Presidents in the U.S. have different ways to exert their executive powers. The best known are called presidential directives. Presidential directives are “simply written, rather than oral, instructions or declarations issued by the president” .
There are two main types of directives, according to Gaziano: Executive orders, and presidential proclamations, though many other documents have similar functions and effects, they are not considered by the author as types in their own right . Executive orders are written instructions directed to executive branch officials to instruct them on how they should perform their responsibilities. Presidential proclamations are statements issued to a group ...