Guideline

/ɡˈa‍ɪdla‍ɪn/

/ˈɡaɪdˌɫaɪn/

Guideline

a set of principles or instructions based on which a person should behave or act

synonyms : guidepost

a detailed plan or explanation to guide you in setting standards or determining a course of action

synonyms : road map

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

Examples

1. This document contains essential guidelines for the project.

2. Not following safety guidelines is unacceptable in hazardous environments.

3. The essay needs to be formatted according to the MLA guidelines.

4. If we don't establish clear goals and guidelines, we will end up going in circles during the planning process.