MUCH SIMPLE TO UNDERSTAND INFORMATION ON THIS SITE http://www.nevseo.com.au/SEO-Images.aspx
http://www.macmillandictionary.com/thesaurus/british/keyword
http://www.webgnomes.org/blog/33-free-seo-tools/
http://www.nevseo.com.au/SEO-Density.aspx
Sandbox effect
https://www.google.com.au/webhp?sourceid=chrome-instant&rlz=1C1CHMO_en-GBAU540AU540&ion=1&espv=2&ie=UTF-8#q=sandbox%20effect
http://www.macmillandictionary.com/thesaurus/british/keyword
http://www.webgnomes.org/blog/33-free-seo-tools/
http://www.nevseo.com.au/SEO-Density.aspx
Sandbox effect
https://www.google.com.au/webhp?sourceid=chrome-instant&rlz=1C1CHMO_en-GBAU540AU540&ion=1&espv=2&ie=UTF-8#q=sandbox%20effect