| A | B |
| ActiveX | A set of rules developed by Microsoft for Windows that controls Windows applications that are downloaded from the Internet and then run in a browser. |
| Client | A computer that uses the services of another program. |
| Cookie | Small text files created by some Web pages when you visit the site that may include information about your preferences for the Web page; cookie files are stored on your computer. |
| Digital Certificate | An electronic document similar to an ID card. |
| Domain | A name or other attribute that identifies a computer or Web site on the Internet. |
| File Transfer Protocol (FTP) | Internet standard that allows user to download and upload files with other computers on the Internet. |
| Geographic Imaging | Technology to change imagery of the Earth’s surface into valuable information. |
| Hit | Any time a piece of data matches search words you specify. |
| Home Page | First page that is displayed when a browser is launched. |
| Hypertext Markup Language (HTML) | Protocol that controls how Web pages are formatted and displayed. |
| Hypertext Transfer Protocol (HTTP) | Protocol that defines how messages are formatted and transmitted over the World Wide Web. |
| Internet Protocol (IP) Address | A numerical addressing system that uniquely identifies computers and networks linked to the Internet. |
| Internet Service Provider (ISP) | An organization or company that provides connectivity to the Internet through a telecommunications line or wireless system. |
| Mosaic | The first graphical browser. |
| Podcast | A method of publishing files (primarily audio) to the Internet that can be streamed or downloaded for playback on a computer or a personal digital audio player. |
| Portal | A Web site that features useful content, but also contains links to other sites. |
| Really Simple Syndication (RSS) | A format originally developed to syndicate news articles online, this communication method now is used widely to share the contents of blogs |
| Secure Sockets Layer (SSL) | A protocol for managing the security of message transmissions on the Internet. |
| Social Networking Site | An online community that provides interaction for groups of people who share a similar interest or activity. |
| Uniform Resource Locator (URL) | Address that tells the browser where to locate a Web page. |
| Web 2.0 | Web sites where users can modify the content. |
| Web Cache | A temporary storage area on your computer for collecting data |
| Web Site | A collection of related HTML-formatted Web pages located on the World Wide Web. |
| Webapp | Sites that host software applications you can access with your Web browser. |
| Wiki | A collaborative Web site that can be edited by anyone with access. |