Your question is Explain Priority Queues and Use Cases. 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).
Explain priority queues and discuss common use cases you would encounter in distributed payment processing scenarios. Cover how a priority queue orders elements, its typical time complexity, and when priority-based processing is appropriate. Also discuss important operational concerns when applying the concept in a distributed system.