(2) As was noted
at the top, the purpose of a URL is to "identify" a resource. Can every
resource in the universe be identified using the above two
approaches? Are there resources that do not lend themselves to
identification using the above two approaches?
There are many resources that do not lend themselves
to identification (*) at all: a ton of bricks, a good knowledge of
German, a loyal workforce, a season of goodwill.
(*) in the sense that identification allows one
ton of bricks to be distinguished from another ton of
bricks
Michael Kay