What’s the difference between single Org Data Cloud and multi-org Data Cloud deployments? What about Data Cloud One?
Data Cloud in existing org (single LOB, single Org)
Data Cloud in standalone org (multi LOB, multi Org)
Data Cloud One → simplifies connectivity for multi-Org by not only pulling data from SF into DC, but also shares back metadata of unified objects back to SF (like it normally does for a home org) without requiring integration into the DC API. And here is a great technical write-up on Data Cloud One.