Anchor Text: Anchor text is the text used in the link (hyperlink) that is underscored in a web page. For example,  when you click on California Wine, it takes you to the web address of http://www.convergencevineyards.com, and the words California Wine is what we call the "anchor text."

Authority Site: A site in a market that has good Page Rank or many links going to it.

Page Rank: Google uses a weighted form of link popularity called PageRank™. Not all links are created equal. Google differentiates a link from an important site (such as CNN.com) as being better than a link John Does personal home page.

The Google Toolbar (which is a free download from http://toolbar.google.com) has a PageRank meter built into it, to see which web pages are considered important by Google and which aren't.

Google typically updates the toolbar 4 times a year so you can expect it to take a while before they bar changes on your new site.

PageRank scoring ranges from 0 to 10, 10 being the best.

PageRank scores get exponentially harder to achieve the closer to 10 they are. For example, increasing your own homepage's PageRank from a 0 to 1 is easy with not a lot of additional links, jumping from a 7 to an 8 is very difficult to achieve. The higher the PageRank of the page that's linking to you, the more your site's PageRank will benefit. 

The better your PageRank, the better you'll do in Google, all else being equal.

S1: Supporting Tier 1 Site. This is a site that sends your main site Page Rank by linking to it.

s2: Supporting Tier 2 Site. These are sites that link to the S1 site making the S1 an authority site.

SEL: Supporting External Link. More then just a backlink, the SEL carries popularity and weight with it and thus supports the site that it is linking more then a normal backlink. 

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