Two important XLink attributes are xlink:role and xlink:title, which let you describe a remote resource. Both of these attributes are optional. Here's an example that puts both of these attributes to work:
<MOVIE_REVIEW xmlns:xlink = "http://www.w3.org/1999/xlink" xlink:type = "simple" xlink:show = "new" xlink:role = "MOVIE_REVIEW[EN]" xlink:title = "Review of 'Mr. Blandings Builds His Dream House'" xlink:href = "http://www.starpowdermovies.com/reviews.xml#xpointer(/child::*[position ()=126]/child::*[position()=first()])"> Mr. Blandings Builds His Dream House </MOVIE_REVIEW> ...