WWW- (World Wide Web) A hypermedia information storage system which links computer-based resources around the world. Computer programs called Browsers enable words or icons called hyperlinks to display, text, video, graphics and sound on a computer screen.

URL- (Universal Resource Locator) A computer address that identifies the location and type of resource on the Web. A URL generally starts with "http."

HTTP- (Hypertext Transfer Protocol) enables html documents to be read on the Internet. 

HTML- (Hypertext Markup Language) A type of text code that when embedded in a document, allows that document to be read and distributed across the Internet. 

FTP- Using (file transfer protocol) A software to receive from upload) or send to (download) files (text, pictures, spreadsheets, etc.) from one computer/server to another. 

IP Address- (Internet Protocol) The number or name of the computer from which you send and receive information on the Internet. 

IM-(Instant Messaging) A text-based computer conference over the Internet between two or more people who must be online at the same time. When you send an IM the receiver is instantly notified that she/he has a message.