Firstly, your child should learn to understand light, noise , and people as points of orientation for escaping dangerous situations.
In such cases, it is advised to go to a place where there are many people ( L ute), where it is bright ( L licht), and to make noise ( L naut/voice) in dangerous situations.

Secondly, the rule serves as a guideline to avoid potentially dangerous situations:

When I am traveling alone, I avoid dark and lonely places if possible and move around where there are many people ( L eu), it is bright ( L licht) and people can hear me if I make noise ( L när).