Terminology...

Domain Name
This is a unique name that is assigned to a specific machine or IP address. The domain points to the IP address of a computer on the Internet. No two domains can be the same.

Hosting
The term refers to the company whose web server the site is stored on - or hosted by.

HTML
Hyper Text Mark-up Language. The programming language that defines how web pages are formatted and displayed. The language uses a system of codes or tags that identifies and defines the logical parts of a web page/document. Your web browser interprets these codes and displays the document accordingly.

HTTP
Hyper Text Transfer Protocol. The networking standard computers use to transfer information containing hyper Text, mainly web pages. The http:// in a URL tells your web browser to fetch and transmit the relevant Hyper Text document.

Search Engine
A program which indexes and retrieves web sites based on keywords input by a user. Using Search Engines is a convenient way to look for web sites relating to a topic of interest.

W3C
World Wide Web Consortium, an international consortium of companies involved with the Internet and the Web. The W3C was founded in 1994 by Tim Berners-Lee, the original architect of the World Wide Web.

CSS
Cascading Style Sheet. A set of instructions that when attached to a web page defines the appearance (style and layout) of text and other elements.

FTP
File Transfer Protocol. This is a method by which files are moved/exchanged from one computer to another over a network.