a directive from party headquarters的用法和样例：
- An executive order is a directive from the President to other officials in the executive branch.
- An order; a specific instruction authorizing performance of a particular act EXAMPLE: The corporation's regional vice president received a directive from headquarters authorizing construction of a large new distribution center.
- This information had already been included in labels put on the drugs after a directive from the FDA six months earlier.
- Diverging from a direct course; roundabout.