All types of traffic to a web site are identified by where the visitor was before they arrived at your web site. The term Organic Search means the visits to your web site that have come from a search engines.

It means that the visitor has typed a word or phrase into a search engine such as Google or Yahoo and your web site has appeared in the results. The visitor has clicked on the link in the results that brings them to your website.

This type of information is useful because it shows you which phrases successfully bring visitors to your site. If you expect people to search on a particular word and find your web site and this phrase does not appear in your organic search results it could be for any of the following reasons.

1. you do not have any content on your web site that mentioned these words or phrases.
2. these words or phrases have not been optimised very well on your site
3. there's a lot of competition from other websites around these words or phrases and your site does not fair very well against them.