- ActiveX is a technology for creating interactivity on Web pages, such as pull-down menus and games.
- An address specifies the location of a Web site on the Internet.
- An applet is a program written in the Java programming language that allows interactivity on Web pages, such as pull-down menus and games.
- An attachment is a file that is sent along with an e-mail message. When you include a file with an e-mail message, you are said to be attaching the file, or sending it as an attachment.