Your question is Oscar Health Timeline Design. 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 Oscar Health timeline (feature on their app): a timeline that pulls in different info (e.g. your payment of $20 went through, you had an appointment with Dr. Smith, your prescription for medicine XYZ was filled). Determine where the information comes from, how it is handled, stored, and displayed (frontend).
Asked in the onsite stage. The interviewer did not provide many hints. Explain how you would clarify requirements, design the end-to-end architecture, and decide whether machine learning is needed for ordering or personalization.