SEO ( or Search Engine Optimization) is the art of increasing traffic to your website through a variety of activities which include:

1. Ensuring that your site is appropriate and correctly constructed.

2. Listing your site on as many search engines and directories as possible (increasing the SATURATION of your website on the Internet).

3. Running paid advertising where necessary to drive immediate traffic to your website. This could include Google's Adwords and Yahoo's advertising scheme.

4. Improving the relevance of traffic to your site by ensuring that you are targeting the correct marketplaces, customer profiles, and languages.