pagerank question

After the recent PageRank update, I noticed one of my websites domain was moved up to PR2. However the blog (blog.domain.com) is now a PageRank 3. Is that normal? I always thought the top level domain like example.com would always have the most PageRank? Thanks in advance

I know that PR means pagerank but what does it mean exactly? Is PR1 better than PR2? Sorry for the noob question this has been driving me nuts. :eek:

My website is not getting indexed in google. I have different sub-domains according to every different country. Like the following examples - /dk /eu /de and so on... Content on every sub-domain is quite similar (not completely) but every sub-domain has different language. Also, the home page...

Hi, I'm looking for some advise as I don't really understand whats going on. I recently built a website for my vacation rental business, coconutparadisevillas Ive tried to optimise a few of my pages, and started a link building campaign focusing mainly on the homepage to begin with...