Page rank is a one type of method to being popular in search engine. It is a pattern that owned by Google Inc. As my knowledge Google update its PR every 3 months in a year.

SEO is the process and practice of optimizing your site so it ranks well on search engine results pages. SEM is a range of online tactics that when combined with SEO, to help attract consumers, generate brand awareness and strengthen consumer confidence.

The SEO tips which you have given for the beginners is very nice and I am much impressed. Also I want to share some ideas for beginners. The SEO ideas are as under:-

1. Unique Content Writing.
2. Strong Link Building.
3. Spreading Right Keyword.
4. Social Bookmarking.
5. Blog Writing And Submission.