Event-driven architecture diagram, digital illustration, futuristic, high-tech, computer screen, coding, software development, system design, microservices, asynchronous communication, message queue, event handler, listener, publisher, subscriber, real-time data processing, scalability, fault tolerance, distributed systems, cloud computing, serverless architecture, AWS Lambda, Azure Functions, Google Cloud Functions, complex system integration, decoupling, loose coupling, modular design, system flexibility, reliability, maintainability, technical debt reduction, DevOps practices.