Asynchronous Processing:?

Short answer: Offload heavy tasks to background jobs (e.g., using Kafka or RabbitMQ for event-driven architecture) to avoid blocking the main request flow.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.