erresse2 In computing hosting is defined (from to host) a service that consists of allocating on a web server pages of a website, making it accessible from the Internet.

webfarm The term server farm (also called webfarm) is a term used to indicate a group of servers located in a unique environment in order to centralize the management, maintenance and security.

www2 The top-level domain, TLD for short, is the last part of the internet domain name; is in other words the alphanumeric code that follows the 'point' to the right of the URL; for example, the internet address of the Italian wikipedia is it.wikipedia.org and therefore falls within the top level domain org.