Your question is Measuring Product Success. 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).
How will you measure the success of a product?
Define a practical measurement framework that connects user value to business outcomes. Explain which primary and supporting metrics you would choose, how you would calculate them, and how you would use them to evaluate progress and make product decisions.