Domain-Driven Design: Core Concepts, Key Methods, and Practical Application in Complex Systems
Domain‑Driven Design is a methodological approach that refactors large, complex systems by aligning business language with architecture through metaphors, layering, refinement and abstraction, organizing code into high‑cohesion, low‑coupling bounded contexts, and applying strategic and tactical modeling—illustrated by Tencent Video case studies and contrasting lightweight versus rigorous practice styles.