Web Host
A business that share its servers with clients so their web sites can be accessible at any given time A networked computer dedicated to providing a certain kind of service. Usually refers to a computer that stores the website files and has a web server running on it.

Web Log
A Web log, for the uninitiated, is a popular and fairly personal content form on the Internet. A person’s Web log is almost like an open diary. It chronicles what a person wants to share with the world on an almost daily basis. Commonly known by its slang name, blog.

Web Page
A document containing text and graphics that can be accessed through a web browser on the internet.

Web Site
A document containing text and graphics that can be accessed through a web browser on the internet.

Who Is
Whois is both a database and a tool. A whois database is maintained by a domain registry which contains pertinent information about domain names and their registrants (technical contacts, expiration date, etc.) Whois is also a tool used for accessing the various databases. Registrars offer the use of the whois tool to see if the name you would like is still available.