Your question is Define TikTok 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).
Define what success is for TikTok.
Explain how you would translate TikTok's broad mission into a measurable north-star metric and supporting KPI hierarchy. Address user value, creator value, business sustainability, and platform health, including how you would balance leading indicators with long-term outcomes and avoid optimizing for low-quality engagement.