A follow-up: how the architecture works In my previous article, I explained why I built NGB Platform and what problem it is trying to solve: I Built an Open-Source Platform Foundation for Accounting-Centric Business Apps That article was mostly about the why . Why generic web frameworks are not enough for serious business applications. Why large ERP products solve many of the right problems, but often inside closed and complex product ecosystems. And why I wanted to build an open-source platform foundation for accounting-centric business applications. This article is the follow-up. Instead of focusing on why NGB exists, I want to walk through how the architecture works : how documents represent business intent how posting turns that intent into durable effects how accounting entries and registers preserve business truth how audit history and reporting are connected to the same model how multiple vertical solutions reuse the same platform core I also recorded a short architecture walkthrough video.…