In its simplest sense, a domain is a group of computer under one administration or network. In terms of the World Wide Web however, domain name definition refers to the Universal Resource Locator or URL of the webpage or website. The Internet is run by a system called Domain Name System or DNS that organizes the categories of pages on the World Wide Web.

If you are going to observe the address of a popular website, letâ s say, â FictitiousWebsite.comâ , you will see three terms separated by a period. First is the abbreviation of the World Wide Web- www. Then itâ s followed by the term â FictitiousWebsiteâ , and then followed by the suffix â .comâ . Here â FictitiousWebsiteâ is the main domain name while â comâ is the extension. Extension is the biggest categorization of web pages on line. Websites are predominantly suffixed by â .comâ but there are several dozens of other extensions available, some of the most popular are â .netâ , â .milâ , â .govâ ,â .asiaâ ,â .org,â among many others.

Domain name definition is relevant in as much as many parties online are confusing online users about domain names. It is significant to remember that the domain name of the website refers to the main name, the term before the addressâ suffix or suffixes (e.g .co.uk, .com.ca, etc.).

If the address bar shows several terms separated by a period, the real domain name is the last word before the extension. In the address www.images.fictitiouswebsite.com for instance, â fictitiouswebsiteâ is the main domain name, and â imagesâ is just a sub domain of fictitiouswebsite. Any word or term before â imagesâ is a sub division of the sub domain.

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Autor: Elijah James
Source: http://articlealley.com/article_986865_1.html