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Thank you so much, that's exactly what I was looking for.  One more question, what does (not set) mean in the keyword list?

OK, I found Open Site Explorer and it just hasn't had time to crawl the sub-domain I'm looking at so I'll just wait.

As for the second question, i wasn't clear.  GA tells me all the search terms that brought traffic to my site but I'm looking for what search terms brought traffic to one specific page within my site.  Perhaps some way to filter all the Organic Traffic to show just the terms that lead to a sub-domain on my site.  Is that a little clearer?

I realize this is probably a very basic question but if I want to find backlinks to a sub-domain of my site, how would I do that?  Also, if I wanted to see what search terms were bringing traffic to one specific page of my site, how would I do that?