Recommendation ITU-T Q.3930 describes terminology and concepts of performance tests with a generalized view of performance characteristics as the starting point.

What kind of characteristics are indicators of a product's performance and what kind of measurement data is captured and processed to provide relevant figures on requested performance are in this view the core of performance testing.

The Recommendation includes a set of terminology and descriptions of concepts in performance testing that could be accepted as a common base for descriptions of performance and performance tests.