browser - A computer program that helps people use the Internet.
check box - A small box that allows you to select multiple items from a list.
click - To quickly press and release the left mouse button.
dialog box - A small box that pops up on screen to give you information.  You must respond to a dialog box by clicking on a button.
drag - To move an onscreen object by putting the pointer over it, holding the mouse button down, and moving the pointer.
drop-down menu - A type of menu in which you must click on a small down arrow to display your options.
e-mail - Messages sent between computers via the Internet.  "E-mail" is short for "electronic mail."
Google - A popular search engine.  Its URL is
Google Chrome - A browser.
graphics - Pictures.
HTTP - Hypertext Transfer Protocol; the way computers communicate on the World Wide Web.
highlighted text - Text with a different background color. This sentence is highlighted.
insertion point - A little blinking line that shows you where the next letter you type will appear. 
Internet Explorer - A browser.
Internet Service Provider - A company that provides Internet access.  Often abbreviated "ISP."
link - A connection to another web page.  Sometimes called a "hyperlink."
location toolbar - The browser toolbar that contains a text box.
menu - A list of options.
navigation toolbar - The browser toolbar that contains the "Back" and "Forward" buttons.
Mozilla Firefox - A browser.  Firefox is an updated version of Netscape Navigator.
password - A secret word that lets you access your private information.
phishing- Attempting to steal private information by sending out realistic-looking but fake e-mails.
pointer - The little arrow that moves around the computer screen when the mouse is moved.
radio buttons- Small circles that allow you to choose only one item from a list.
Safari - A browser.
scroll - To move a web page up and down on the computer screen.
scroll bar- A bar that appears at the edge of the computer screen when a web page is too large to fit on the screen.
search engine - A web site that searches for other web sites.
selection list - A type of menu.
slider- Part of a scroll bar; the box that moves up and down as a web page is scrolled. 
terms of use - A description of the behavior you should exhibit when using a web site.
text - Letters and numbers.
text box - A white box that you can type things into.
toolbar - A group of tools to help you use the Internet.  Toolbars are part of a browser.
URL - The address of a web page.  Pronounced "earl," URL stands for Uniform Resource Locator.
user name - The name by which a web site recognizes you.
web page - A computer file that looks like a printed page when viewed with a browser.
web site - A group of related web pages.
World Wide Web - The part of the Internet that can be viewed with a browser.
Yahoo! - A popular search engine.  Its URL is

See also FOLDOC:  Free On-Line Dictionary of Computing.