01 / THE IDEA
What does it mean?
A system should keep people informed through timely, understandable feedback. Silence makes it hard to tell whether an action worked.
02 / IN PRACTICE
Make it concrete.
Illustrative example: After saving a document, a small “Saved” state replaces the spinner.
03 / WHAT TO WATCH FOR
A common mistake.
Showing success before the server actually confirms the change.
04 / WHEN IT HELPS
When should you use it?
When actions take time or their outcome is otherwise invisible.
05 / FURTHER READING
Explore the source.
Nielsen Norman Group — Usability Heuristics ↗A reference for further learning, not an endorsement or verbatim quotation.