Software Testing -

Testing typically occurs in hierarchical stages to catch errors as early as possible:

: Testing the complete, integrated system to verify end-to-end performance and functionality. Software Testing

: A detailed set of conditions, steps, and expected results used to validate a specific functionality. Testing typically occurs in hierarchical stages to catch

(PDF) Software Testing Techniques and Strategies - ResearchGate Software Testing

: A flaw in the software that causes it to deviate from its expected behavior. Levels of Testing