http stands for hypertext transfer protocol .
www indicates that it is a World Wide Web Service Name of the domain .com is the extension which indicates if it is a business (.com), a non-profit (.org), a government site (.gov) or an educational site (.edu) /internet/ is a directory of files the webmaster has set up to organize web page files index.html is the name of the specific file displayed currently. index.html is a common name for the home page of a site.