Your question is Building a Visualization from Tables. 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).
He showed me Orders, Products and Sellers tables and asked what metrices would you consider if you want to build a visualization? And what type of visuals you would use?
Asked in the technical screen stage. Given Orders/Products/Sellers tables.
Explain how you would identify the audience and analytical goal, select metrics across the three tables, and map each metric to an appropriate visualization. State any assumptions you would validate before building the dashboard.