For example, you know how to get a drink of water in a house even if you've never been there before. Its simplest task is to find grocery items in GroceryWorld . Structural regularities Structural regularities are the social norms to which a culture subscribes so that people can get along without much trouble. Driving is a good example because it's an activity created by people, replete with rules and regulations. But regular adherence to the rule upgrades everyone's performance.
Kitchens are also a good example.
The cupboards, refrigerator, and drawers have customary uses which people learn and follow. For example, looking for a fork in anywhere other than a waist-high drawer can be a futile effort. But specifically looking for a fork in a waist-high drawer can significantly improve performance. Essentially, structural regularities are the rules of thumb a society follows. Deviation from these rules often causes more harm than good.