guideline

/ˈgaɪˌdlaɪn/

a light line that is used in lettering to help align the letters

中文释义：指导方针；准则

The government issued new guidelines for reducing carbon emissions.

政府发布了减少碳排放的新指导方针。

Teachers should follow the curriculum guidelines when planning lessons.

教师在备课时应遵循课程指导方针。