Your question is Building Dashboards From Scratch. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Describe your process for building a dashboard from scratch for a non-technical stakeholder. Focus on how you define metrics, source data, model the pipeline, validate correctness, and iterate on usability.