21. - **use case**:
Score: 0
Qualitative Assessment: Needs Improvement
Description: Varun did not demonstrate knowledge of use cases. He should focus on showcasing his experience in this area.

22. - **use case development**:
Score: 0
Qualitative Assessment: Needs Improvement
Description: Varun did not demonstrate experience in use case development. He should provide examples of his experience in this area.

23. - **prototyping and wireframing**:
Score: 0
Qualitative Assessment: Needs Improvement
Description: Varun did not demonstrate experience in prototyping and wireframing. He should provide examples of his experience in this area.

24. - **continuous improvement frameworks**:
Score: 0
Qualitative Assessment: Needs Improvement
Description: Varun did not demonstrate knowledge of continuous improvement frameworks. He should focus on showcasing his experience in this area.

25. - **customer journey mapping**:
Score: 0
Qualitative Assessment: Needs Improvement
Description: Varun did not demonstrate experience in customer journey mapping. He should provide examples of his experience in this area.