Sometimes this is called "pure cinema."

Inscrutable and exterior, it could be the simplest definition ever of pure cinema.

Supporters of pure French cinema called it a scandal, if not a crime.

You could even argue that the trailer is the last remnant of a 'pure' cinema.

No acting or coaching; pure cinema verité.

An example of "pure cinema", it was nominated for an Academy Award in 1965.

"The idea is that it's almost like pure cinema," Mr. Bourne said.

It is sometimes called observational cinema, if understood as pure direct cinema: mainly without a narrator's voice-over.

But he steadfastly pursues his idea of pure cinema, in which dialogue and plot-driven stories play little or no role.

Yet because he has such command of craft, his films leap beyond politics, beyond genre, to a life in what might be called pure cinema.