The phrase "as a central conceit" is correct and usable in written English.
It can be used when discussing a key idea or theme that is fundamental to a work of literature, art, or theory.
Example: "The novel explores the concept of identity as a central conceit, revealing how it shapes the characters' lives and decisions."
Alternatives: "as a key theme" or "as a main idea".
Dalloway, To the Lighthouse and Orlando, all of which have time as a central conceit". .
As moviemakers get a chance to buy it, or you know that their audiences are thinking and wondering about it, all it's going to take is one really brave filmmaker to include [it] as part of one movie or television show, as a central conceit, and people are going to get really excited about it.
Along the way, Ramsay's intense, distinctive visuals work a curious alchemy on Lionel Shriver's source novel, navigating a central conceit (the demon seed!) that in other hands might come across as crass and cheap.
A central conceit in the climate change debate is not just that experts can forecast the planet's weather a century from now.
Contest of Champions is a fighting game, with a central conceit that suits the F2P model.
In Sarah Palin's September 6th speech at her former Assembly of God church, she reiterates a central conceit of her flock, that Alaska has a "divine destiny," and that we are in Iraq as a "task from God".
Fresh-faced, driving dad around, she's wise beyond her underage years, and she's loyal, a central conceit of this film, making Gosling's bungling acceptable.
Scarred for Life's scenario takes as its central conceit a Harry Potter who has started a hardcore rock band.
It uses as its central conceit a real-life assassination attempt on the life of reggae singer, Bob Marley, on 3 December 1976, spiralling out fictively over the next decade-and-a-half to follow the life of underworld mobsters, hit-men, media-men, ghetto chancers – as well as its underclass of Kingston's abused - who become embroiled in that event.
They began life as the central conceit on Sheffield electro-duo Eccentronic Research Council's excellent recent concept album, Johnny Rocket, Narcissist & Music Machine … I'm Your Biggest Fan.
The driven, thwarted and not hugely likable woman at the center of this memoir-like novel, which takes as its central conceit the biological concept of matrilineal descent, is modeled on Drabble's own mother.
