SEO is the activity of optimizing web pages or whole sites in order to make them more search engine friendly, thus getter higher positions in search results.

Seo is sometimes also called SEO copyrighting because most of the techniques that are used to promote sites in search engine deals with text.

Search engine optimization affects only organic search results, not paid or "sponsored" results such as Google AdWords.

• SEO stands for Search Engine Optimization
• SEO is all about optimizing a web site for Search Engines. 
• SEO is the process of designing and developing a web site to rank well in search engine results. 
• SEO is to improve the volume and quality of traffic to a web site from search engines. 
• SEO is a subset of search engine marketing. 
• SEO is the art of ranking in the search engines. 
• SEO is marketing by understanding how search algorithms work and what human visitors might Search. 

If you plan to do some basic SEO, it is essential that you understand how search engines work and which items are the most important in SEO.