[Wolves] The great marketing debate:

[Chris Ball]

fizzy wrote:
>  --- Chris Ball <chris at mnemonik.net> wrote: 
> 
>>http://www.w3.org/TR/2001/NOTE-uri-clarification-20010921/
> 
> 
> Any chance you could explain that in English? ;)
> 
> fizz
> 
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Originally Uniform Resource Identifiers (URI), were used to identify a 
resource either by it's Location (URL) or it's Name (URN), which is 
independent of it's location.

A URL is not an URI partition, it is more an informal concept, a URL is 
an URI that identifies a resource via a representation of its primary 
access mechanism (i.e. its network location), rather than by it's 
attributes. "http:" is a URI scheme. An http URI is a URL.

Therefore, the easiest way to look at it seems to be

That a URL is an URI, but a URI is not just a URL :P

Saying that, you can interchange them most of the time.