Error message
Also called: Validation message, Inline error
Text that tells the user something went wrong and, ideally, how to fix it.
Definition
A good error message is visible, placed next to the problem, written in plain language and says how to fix it. Testers check the wording, the position, that it disappears when the problem is fixed, and that screen readers announce it.
In practice
"Password must be at least 8 characters" under the password field is helpful. "Error 422" at the top of the page is not.
Learn it in context
Lessons that use this term.