hey if you like to know about SEO than you have to search it out on google about SEO basics or what is SEO???
Actually SEO is a very vast field it has many branches....if you wana know about some basic seo then google is the best place to Learn SEO BASIS beacause when you know the basic What is Directory submission? How can we Increase our PR? so just Search it out and Beacome a juniour seo :)