SEO stands for Search Engine Optimization.
you will no doubt come across the phrase "search engine optimization." But what, exactly, does it mean? There is a lot of helpful information, as well as a lot of misinformation, floating around regarding search engine optimisation (SEO).
As the name suggests, it's the process of making your site friendly to different search engines so they will assign a good rank to the site for specific search terms.
SEO is the process of making a website rank on relates term for that website under top results in search engines. Lets say you got a website releted to autoparts. So when a person search autoparts, youir site should appear in results.
But making a site appear is not a big thing..the big thing is making it appear under top 20 or top 10 cause no one bothers to go to 3rd page when searching. ANd if not found what he is looking for he will change the terms.
One thing you should know bout seo is,THERE ARE NO SECRETS to successful search engine positioning - just experience, a lot of research and tons of hard work. So don't get into those GUARANTEED LISTNG UNDER 48 Hrs Scams.