Abstract cues are common but are often ignored by people within ACL 5 Low. Hints and verbal explanations of such cues may also be ignored. Make use of an authoritarian instructions such as "this is the Dr's orders" or "these are the house rules". Abstract cues are intangible and include unseen things like the feelings of other people. Unseen forces such as electricity, chemical reactions and heat which should be paid to attention maybe ignored with their negative consequences like electrocution, poisoning and fire risks.