Edge Cases & States

Edge cases and states refer to the variations in a design that account for non-ideal or non-standard scenarios during user interaction. States define how an interface looks or behaves under specific conditions, such as loading, success, error, or empty states, while edge cases address unusual occurrences like exceptionally long text strings, lost internet connectivity, or unexpected data inputs. By documenting these scenarios, designers ensure that the interface remains functional and provides clear feedback to the user even when the application deviates from the primary happy path.