In software engineering, "coupling" means how much different parts of a software system depend on each other. If they are tightly coupled, changes to one part can affect many others. But if they are loosely coupled, changes to one part won't cause big problems in the rest of the system. Domain events are a Domain-Driven Design (DDD) tactical pattern that we can use to build loosely coupled systems. You can raise a domain event from the domain, which represents a fact that has occurred. And ot...
