The Executive Order titled "One Voice for America's Foreign Relations" issued by the President establishes that all U.S. foreign policy must be directed under the President's authority. It mandates that officers and employees involved in foreign policy faithfully implement presidential directives, with failure to do so resulting in professional consequences. The Secretary of State is tasked with reforming key aspects of the Foreign Service, including recruitment and performance standards, to align with this directive. Additionally, the order emphasizes that it must be consistent with existing laws and does not create any new legal rights or benefits.
Simple Explanation
The President wrote new rules saying only the President can decide how the U.S. talks to other countries, and everyone who works on this must follow what the President says, or they might get in trouble; but, this doesn't change any laws or give anyone new rights.