Event-Driven Architecture:?

Short answer: Microservices publish events whenever they change their data (e.g., "OrderCreated"). Other services subscribe to these events to update their own data stores asynchronously.

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.