URI itself is a resource?

Dear all,

In [1], "the term "resource" is used in a general sense for whatever might
be identified by a URI". Then is URI itself a resource or not? If a URI can
be identified by another URI? Such as: I have a webpage W-1, and I move to a
new webpage W-2, whenever people click W-1, then it will redirect to W-2
automatically. Therefore, can we consider W-1 as an identifier of W-2?

[1] http://tools.ietf.org/html/rfc3986

Thanks,
Jitao