Wiktionary
a. 1 (context newspapers English) Referring to a photograph, headline, or article printed on the lower half of the front page of a broadsheet newspaper, such that it is not immediately visible on a folded copy of the newspaper, e.g. as displayed at a newsstand or in a vending machine. 2 (context by extension web design English) Referring to that portion of a web page which is far enough down that it is not likely to be visible in the initial display of a standard browser window, such that the reader will probably have to scroll down before seeing it.
Wikipedia
Below the Fold: The Pulitzer That Defined Latino Journalism is a 2007 American documentary film written and directed by Roberto Gudiño to chronicle the story of the Mexican American journalists of the Los Angeles Times who responded to negative portrayals of Latinos in the newspaper by publishing Latinos (newspaper series). Filmed on locations in Arizona, California and New York, the project debuted at the Los Angeles Latino International Film Festival in October, 2007.
Usage examples of "below the fold".
The stories are now below the fold and quite a bit shorter except in certain of the more lurid tabloids.
At the jail, the desk officer's newspaper told of a village twenty miles downriver destroyed by fire--lightning or tribal violence, no one could say, for there were no survivors--and a small headline below the fold reported that fish were dying by the thousands in a lake fed by the Kilombo.
On the front page of the Post's Metro section, below the fold, was the same mug shot of DeVon Hardy, and a large story about yesterday's little crisis.
The remaining address was completely illegible, rain had run into her pocket and obliterated everything below the fold of the paper.
I took the morning Times out of its door slot and was pleased to see that Quinn's speech had made the front page, below the fold but with a two-column photo.
And I wouldn't have seen this story even if I'd happened to look at the newspaper display rack once I got inside, because it was on the bottom half of the front page, below the fold.
It didn't please him that Townsend's photo was also on the same page--even if it was considerably smaller, and below the fold.