Terminologies

Content Management Systems (CMS)

CMS or Content Management System is a computer program that allows publishing, editing and modifying content as well as maintenance from a central interface. Drupal is a type of CMS, which was used to develop the website of U-Call.
Search Engine Optimization (SEO)

SEO is a methodology to make your website or webpage visibility higher for the targeted keywords in Google, Yahoo and Bing search engines.