Any position on a Web page not visible to the user without scrolling. There are known ways to encourage people to scan below the fold such as placing a picture in the middle of the fold. Apple.com is a prime example where a high proportion of users will scroll through a page.

The bottom half of the front page (A1) of the newspaper.

Content of a web page that is not seen by the consumer unless the consumer scrolls down.

Below the fold, a newspaper term adopted by Internet marketers, means the section of a web page which can be seen only by scrolling down. Links and ads below the fold are less likely to be clicked.

This term is borrowed from the printing industry. Newspapers are folded in half and the content that is located below the fold is called just that. So, a similar concept is used with web pages. The content that is further down that page - in a location that you need to "scroll to" in order to view - is called "below the fold.

On a web page, content that is "below the fold" requires that a user scroll vertically to view that content.

Content on a web page that requires the user to scroll down to view it.

is the content of a web page that is not seen by the visitor unless they scroll down.