What is SEO in simple words?

SEO stands for search engine optimization, which is the process of optimizing your website to get organic, or un-paid, traffic from the search engine results page. Promoting a site to increase the number of backlinks, or inbound links, is another SEO tactic.
SEO is utilized through search engines such as Google, Yahoo, MSN, Bing, etc. Search engine optimization uses keywords that attract a user to the company. In order to do this, search engines will scan, or crawl, different websites to better understand what the site is about.