| A | B |
| Internet | A huge computer network that connects other computers and networks together on an international scale. |
| E-mail | is an electronic mail system that can be used to communicate with anyone having an online e-mail account. |
| FTP (File Transfer Protocol) | as its name says is a way to transfer or send files from one computer to another. |
| WWW (World Wide Web) | is a service that allows text, graphics, and multimedia forms of information to be shared by connected computers. |
| URL (Uniform Resource Locator) | An address that contains all the information needed for one computer on the Internet to request a file from a specific computer. |
| Protocol | A particular set of rules. |
| Domain Name | The portion of a URL that specifies the particular server that a file is housed. |
| Pathname | The hierarchical organization of folders that comprise a directory. |
| HTTP (Hyper Text Transfer Protocol) | the name of the communications language used at this URL. |
| HTML (Hyper Text Markup Language) | is the language used to compose web pages. |
| Web Server | A computer having special server software to answer requests from browsers to send files, keeps files in separate directories for each domain name that resides on it and checks passwords as necessary. |
| Web Client | A computer used by someone to access the WWW using a web browser. |
| Web Browser | Software placed upon the web client computer that can send requests for files to the server and interpret the HTML language so that web pages are displayed. |