21. - **use case**:
Score: 3
Qualitative Assessment: Needs Improvement
Description: Varun did not demonstrate knowledge of use cases. He should provide examples of his experience with use case development.

22. - **use case development**:
Score: 3
Qualitative Assessment: Needs Improvement
Description: Varun did not demonstrate experience with use case development. He should focus on describing his relevant skills and experiences.

23. - **prototyping and wireframing**:
Score: 3
Qualitative Assessment: Needs Improvement
Description: Varun did not demonstrate experience with prototyping and wireframing. He should provide examples of his experience with tools like Figma and Balsamiq.

24. - **continuous improvement frameworks**:
Score: 3
Qualitative Assessment: Needs Improvement
Description: Varun did not demonstrate knowledge of continuous improvement frameworks. He should focus on describing his relevant skills and experiences.

25. - **customer journey mapping**:
Score: 3
Qualitative Assessment: Needs Improvement
Description: Varun did not demonstrate experience with customer journey mapping. He should provide examples of his experience and understanding of this area.