failure
📙 CTAL-TM
📗 CTFL
Official ISTQB Definition
An event in which a component or system does not meet its requirements within specified limits during its execution.
3 Ways to Think About It
The Quick Take
When the software actually breaks or does the wrong thing while someone is using it.
Look Closer
The visible problem a user sees when a defect in the code gets triggered.
The Bottom Line
Software not doing what it should — the moment a bug causes real trouble.
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