The activities of, or membership in, the Girl Guides.

plural of guiding light

A non-specific rule or principle that provides direction to action or behaviour. / A plan or explanation to guide one in setting standards or determining a course of action.

plural of guideline

A signpost. / (by extension) Anything that provides guidance; a guideline.

plural of guidepost

One who guides.

Alternative spelling of guide book

plural of guidebook

plural of guider