One subtle challenge in software architecture is that architectural thinking can feel detached from the codebase. We draw diagrams, define layers, identify responsibilities, and craft a coherent structure — yet the moment implementation begins, those architectural ideas fade into the background. Over time, systems drift not because developers ignore design, but because the code itself provides almost no way to express that design.
This tension is well documented. In Just Enough Software Architecture, George Fairbanks argues that programming languages lack constructs for directly representing architectural concepts. Java lets us model types, fields, methods, and packages, but offers no native way to encode ideas such as “presentation layer,” “domain logic,” “aggregate root,” or “infrastructure boundary.” Without these cues in the code, architecture becomes optional, verbal, and fragile.