What is your own definition of SEO ?

[jackobrians]

SEO is the combination of tactics and strategies, including, but not limited to, optimization of information architecture, usability, content focus, audience targeting, design, development, keyword research, keyword placement, link building, social media marketing and any other online or offline branding/marketing elements that support the goal of receiving more traffic from search engines.

[nverberthi]

SEO is the process or campaign that we need to focus to achieve a better targeted visits from various search engines.

[paulball]

SEO is popularly known as Search Engine Optimization. It is one of the best internet marketing or search engine marketing method. It is used to get high page rank of the website and to generate more and more traffic to the website. It has two tactics on-page and off-page.

[jonemartine]

seo is a process of increasing visitors from the search engine by doing different kind of method so you can able to get good position and increased rank of the site.