Google page rank(pr) is given by google like number 0-10 depending on backlinks you have from other sites, so more backlinks from big sites u get more pagerank.Default pr is pr 0 for all domains, they will update pr in 3-6 months or so and will increase or decrease pr every update depeding on your backlinks.Yahoo/msn dont have any thing called PR.For all major search engines u have some thing called SERPS.When u search and keyword in search engine in results where your site stands is called serps rank. check your pagerank in all google servers here http://livepr.raketforskning.com/ check your serps in all search engines and pr all here http://www.reladvance.com/ I cant explain well but if u have any questions u can ask here i will try to answer them.