The phrase "a simple and compelling" is correct and usable in written English.
It can be used to describe something that is easy to understand and persuasive or attractive.
Example: "The presentation was a simple and compelling argument for the new policy changes."
Alternatives: "clear and persuasive" or "straightforward and engaging".
This mountain of data allows Mr Piketty to tell a simple and compelling story.
It was sold to us on a simple and compelling premise.
The company said it would launch a "simple and compelling new mobile proposition" by the end of the year.
They want to be able to compare investments in programs, assess their portfolio in aggregate, and tell a simple and compelling story.
They offer a simple and compelling framework, as well as practical advice about how you can develop your own personal presence.
For all its negative and deeply damaging aspects, and there are plenty, the reappraisal reminded us that any profound economic, cultural and political resculpting of society requires drive, energy, coherence, vision and, essentially, a simple and compelling story told well by a man or woman in whom a sufficient number of voters have trust.
A Strategic North Star (A Compelling Vision): Good strategy starts with a clear, simple and compelling vision of the future.
It's a fairly simple and compelling position that can be backed by examples that range from the American Indians being usurped by Europe's guns and germs, to Kodak's battle with the digital camera.
It's a very simple and compelling idea.
Apple has required users to use iTunes, and more recently iCloud, to sync up their phones with their laptops, but perhaps Microsoft can use Skype and other apps as the basis of a simpler and more compelling multi-device experience.
His words were simple and compelling -- idealism as an argument for public policy: "Do we want Stockbridge to become part of our growing cosmopolitan civilization?
