Your question is Design a StackOverflow-Style Search Bar. 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).
Design the search bar for a website like StackOverflow, focusing on DB schema and components.
Asked in the round 1 stage. Cover the high-level components, how searchable questions and answers are modeled, and where retrieval and ranking fit into the design. Explain assumptions rather than inventing product scale or business context.