I said:

> typically the appropriate use of identifiers is
> a critical part of that - the identifier of the ("primary")
> resource is not the same as the identifier describing that
> resource, and I can reference the two resources without ambiguity.

I _knew_ I would get that sentence wrong...

Let me try again:

.... the identifier of the ("primary") resource is not the same as the
identifier of the metadata record describing that resource, and I can
reference the two resources without ambiguity.

Pete