Actual result (Actual result) - observed operation of the software.

Debugging (Debugging) - identifying and analysing the causes of failures in order to rectify them.

Defect (Defect, bug) - static software defect.

Error (Error) - incorrect internal state of the software.

Exception handling (Exception handling) - behaviour of the software in response to an erroneous value received on the input.

Expected result (Expected result) - the result of software operation under specified conditions determined on the basis of its specification.

Failure (Failure) - software operation deviating from the expected one in an externally visible way.

Feature (Feature) - a software attribute resulting from the requirements documentation.

Negative testing (Negative testing) - an attempt to show that a software does not work properly.

Pass criteria (Pass criteria) - a set of conditions that must be met in order for a test to be successful.

Test basis (Test basis) - a document with the description of requirements for the test subject (software)

Test case (Test case) - a set of input conditions, software execution conditions and expected results prepared in order to check the correctness of software operation.

Test condition (Test condition) - a fragment of a software whose operation can be checked by means of one or more test cases.

Test outcome (Test outcome) - effect of test execution.