The architecture article drew storage as one layer in a larger platform. The networking article went deep on the network layer. This one does the same for storage. It follows a write from an application, through a volume mount, a claim, a storage class and a driver, down to the storage backend, and it ties the main claims to Red Hat's OpenShift Container Platform 4.22 documentation. Where the supplied whiteboard simplifies or blurs something, the text says so. The figures in