H'wood's high on higher concepts; studios find road to riches can be paved with two-word pitches. (Film).

Here's the pitch in two words: "High concept."

The venerable Hollywood genre that gave us "Flashdance," "Police Academy" and "Beverly Hills Cop" is once again making a comeback.

The label "High Concept," long used to describe films sold on the basis of a short and sweet gimmick--pics like "Big" or "What Women Want" whose storyline can be pitched in 25 words or less--has a new cachet in Hollywood.

And in some corners, it's far more popular than source material like specs and books.

Steven Spielberg once said, "If a person can tell me the idea in 25 words or less, it's going to make a pretty good movie."

In today's frenzied film marketplace, it takes only two words.

Consider "Ghost Ship," a horror pic from Warner Bros. out Oct. 25. The concept: a salvage crew finds a haunted ocean liner in the Bering Straits. The logline: "Sea Evil."

"Ghost Ship" is poised to ride a wave of high-concept pics into theaters this fall.

There's "Stealing Harvard," in which Jason Lee plays a hapless man who turns to crime to fund his niece's …