directive

名词 directive:

1. a pronouncement encouraging or banning some activity

形容词 directive:

1. showing the way by conducting or leading; imposing direction on
   同义词：directing, directional, guiding

di.rec.tive

n.（名词）
An order or instruction, especially one issued by a central authority.
指示，命令：命令或指示，尤指由中央权威机构发出
adj.（形容词）
Serving to direct, indicate, or guide.
管理的、指导的：用来管理、说明或指导的