Storage is the architectural construct through which a unit preserves artifacts of Value in a durable, accessible, and reusable form. It defines how outputs—whether produced internally or received from external entities—are retained, organized, and made available for future use across time, context, and systems. Without Storage, Value remains ephemeral: artifacts must be recreated, coordination becomes tightly coupled to real-time availability, and systems lose the ability to scale or recover reliably. In Purpose Driven Design, Storage is distinct from Memory—it does not preserve interpretive history but maintains the artifacts that enable Function and Process to operate asynchronously and repeatedly. This chapter establishes Storage as the substrate of continuity and reuse, enabling resilience, scalability, and coordinated action in sociotechnical systems.