• The idea that a component of a system should behave in a way that most users expect it to behave. A formal statement of the principle is, “If a necessary feature has a high astonishment factor, it may be necessary to redesign the feature.” The principle has been in use since at least the 1970s. ← Wikipedia

1. More about this term (beta): Web search, articles and videos, books
2. Previous term: Principal box
3. Next term: Principle of Least Authority
4. Random term: Reference error