Creating Software with Modern Diagramming Techniques

Chapter 6Structure Your Components and Code

We’ve now created a system context diagram and a container diagram. When combined, they show a high-level overview of our system, its users, its supporting systems, and the individual deployable units that make up our system. For most use cases, that will be enough detail, but in case you want to delve a little deeper, we’re going to briefly cover the component diagram in C4.

The component diagram once again zooms in further in terms of technical detail and highlights the major components within each container.

Component can mean many different things and has become overloaded in the tech industry, but within C4 it’s the equivalent of a high-level namespace or module, or some sort of library or package ...