Ultimate SEO Basics - List of Priorities

How would you rank the following?

[Web Footed Newbie]

What is the ultimate List of Priorities for SEO Basics?
I have read many posts here, but I am seeking the Holy Grail of priorities.

Here is a partial list, please add to it and using percentages that add up to 100% as far as priority. Thanks in advance! WFN

Keywords on topic
Keyword density
Anchor text
Content
Title
H1 and H2 headings
Having a robots.txt file
Validated code
Posting to on topic directories
Inbound links from high ranking sites
Outbound links to high ranking sites
Internal links

[Macguru]

Here is a good one about this topic.

[webmasterworld.com...]