Model
A representation of a system, process, service, or other facility. Models are used to understand complex systems, predict behavior, and make decisions.
Impact
Models (like the C4 Architecture Model) bridge the communication gap between different stakeholders.
Weinto take
We believe "All models are wrong, but some are useful" (George Box). Don't confuse the map with the territory. A logical architecture diagram is useful, but only the running code is the truth. Keep models simple and update them often.