Web Page : A single documents or file on world wide web. A document containing text and graphics that can be accessed through a web browser on the internet.

Web Site : A collection of web pages that reside on a web server. Or a collection of information on web.

Web Host : A company that providers web space for websites. 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.

Whois : Whois is both a database and a tool. An internet database that provides information on a persons or a organization.

WIPO : WIPO is stands for World Intellectual Property Organization. United Nations sponsored organization often used as an arbiter for to resolve domain name disputes.