A group of computers and devices on a network that are administered as a unit with common rules and procedures. Within the Internet, domains are defined by the IP address. All devices sharing a common part of the IP address are said to be in the same domain. In database technology, domain refers to the description of anattribute's allowed values. The physical description is a set of values the attribute can have, and the semantic, or logical, description is the meaning of the attribute.
Domain hosting refers to businesses that specialize in hostingdomain names for individuals and companies. Domain names are used in URLs to identify particular Web pages.
A service provider that offers shared hosting or dedicated hosting of a service or services to customers. Hosting services are most often used for hosting Web sites but can also be used for hosting files, images, games and similar content.
In the case of Web site hosting services, there are three main types of hosting available: 1) Shared Web hosting, where a large number of Web sites are typically housed on the same server; 2) Dedicated Web hosting, where an entire server is leased and reserved for a single Web site; and 3) Virtual Private Server hosting, a hybrid of the first two options in which a Web site is hosted on its own virtual server so that it won't be affected by the Web sites of other customers.