As broad as W3C is, it needs to fit into a context. I know how XML and SQL need to fit. The TAG should consider how W3C fits into the rest of the world and can cooperate with the other pieces of the world. XML Protocol has it in the charter that we need to work with the large outside world. Unlike most other WGs, we're on a public mailing list.
Use cases can be in English or in psuedo code.
And I am the one who said namespaces won't be solved in my life. A Uniform Namespace Architecutre today is not feasible since problems are just starting. Let's solve problems today. We should come up with a seven-layer model for Web architecture. I do hope that the members of the Schema WG won't take it personally.