21. - use case:
Score: 3
Qualitative Assessment: Needs Improvement
Description: Varun did not provide examples of use case development. He should discuss his experience in creating and analyzing use cases.

22. - use case development:
Score: 3
Qualitative Assessment: Needs Improvement
Description: Varun needs to demonstrate his ability to develop use cases effectively. He should provide examples from his past experience.

23. - prototyping and wireframing:
Score: 2
Qualitative Assessment: Needs Improvement
Description: Varun did not discuss his experience with prototyping tools. He should highlight any familiarity with tools like Figma or Balsamiq.

24. - continuous improvement frameworks:
Score: 3
Qualitative Assessment: Needs Improvement
Description: Varun's knowledge of continuous improvement frameworks was not evident. He should discuss his experience with Lean or Six Sigma.

25. - customer journey mapping:
Score: 2
Qualitative Assessment: Needs Improvement
Description: Varun did not demonstrate knowledge of customer journey mapping. He should provide examples of how he has mapped customer journeys in the past.