So URIs are almost the opposite. If you think of the 'path' as the thing being registered, then the hostname part (which aren't resolvable hosts but can follow

So URIs are almost the opposite. If you think of the 'path' as the thing being registered, then the hostname part (which aren't resolvable hosts but can follow domain ownership convention) is where it's registered. (Could also use up to a common path prefix.) What we don't have are standards for the 'path' parts for various usages.