ISTQ defines multiple entities to address test cases:
- Test-Case
Contains a single test-case, which includes the following attributes:- Pre-Condition
- Input and action
- Taget values
- Test instruction
- Post-Condition

- Test-Sequence
Contains a sequence of test-cases.
The post-condition of a test case must be a pre-condtion of the following test-case.

- Test-Scenario
Contains a set of Test-Sequences for a given components such as a business process or software component.
