In my part of the world, it's not uncommon for people to say that someone wouldn't recognize something if it "bit them in the [rude rump reference]". For many organizations, that seems to be the explanation for the state of their enterprise IT architecture. For while we might claim to understand terms like "design", "encapsulation",
Over the last fifteen months, many electrons have been expended discussing the relative merits of the application architecture styles commonly referred to as microservices and monoliths. Both styles have their advocates, and the interesting aspect is not their differences, but their agreement on one core principle - modularity. Both camps seem to agree that "good"
Separation of Concerns is a well-known concept in application architecture. Over the years, application structures have evolved from monolithic to modular, using techniques such as encapsulation and abstraction to reduce coupling and increase cohesion. The purpose of doing so is quite simple - it yields software systems that are easier to understand, change, and enhance.