Varun's response is lengthy and contains a lot of technical jargon that seems unrelated to the question about data visualization and decision-making in an e-commerce context. While he mentions performance optimization and various technical strategies, he fails to clearly connect these points to the use of Excel, JIRA, and Google Analytics for enhancing decision-making. The benchmark response is concise and directly addresses the question, providing a clear example of how data visualization impacted project outcomes. To improve, Varun should focus on delivering a more relevant and structured response that ties back to the specific tools mentioned and the impact of those tools on decision-making. For instance, he could say, "In an e-commerce project, we used Google Analytics to track user behavior, which helped us identify a high bounce rate on a landing page. By visualizing this data in Excel, we made targeted changes that resulted in a 25% increase in conversions."