1. A connector; anything that connects two or more things. 2. A pointer in an HTML document that leads to another World Wide Web site, or to another place within the same document; also called a hyperlink. Linked text is usually underlined or shown in a different color from the surrounding text. Sometimes graphics are links or contain links. A link is activated by clicking on it. 3 A pointer embedded in a database record that refers to data or the location of data in another record. 4. A line or channel for transmitting data. 5. A call from a program to another program or subroutine. 6. To connect with a link.