The phrase "a coherent concept" is correct and usable in written English.
It can be used when discussing ideas, theories, or frameworks that are logically consistent and understandable.
Example: "The theory presented in the paper is a coherent concept that effectively explains the observed phenomena."
Alternatives: "a logical idea" or "a clear notion."
How many people would be surprised to know that warp drive isn't even a coherent concept, let alone a near-future technology?
It provided authoritative chapter and verse about the state of race relations in this country, the absence of a coherent concept of citizenship, and practical, advanced proposals to promote racial equality.
More than 15 years after the fall of the Berlin Wall, the German capital's senator for culture has presented a long-awaited blueprint for a memorial that would unite the remaining sections of the wall into a coherent concept.
Van Gordon Sauter, president of CBS News, said yesterday: "We have evolved the broadcast in an orderly fashion and to the point that it has a coherent concept, a skilled staff, and a strong bank of stories.
There is a further issue that has generated disagreement, even among those theorists who believe privacy is a coherent concept.
The determinists, he says, are neither entitled to maintain a coherent concept of luck and the fortuitous, nor of contingency and possibility, nor of deliberation and potency.
As it's generally used, "information" is a collection of notions, rather than a single coherent concept.
Having origins in folk psychology, "consciousness" has a multitude of uses that may not be resolvable into a single, coherent concept (Wilkes 1984).
Here, a coherent subnetwork concept is to naturally extend the existing co-module concept.
Europe it is not only a common market, but a coherent political concept – maybe even a power – able not only to overcome crises, but to have an impact on the modern world".
While "Illmatic," like Mr. Lamar's album, was primarily a document of observation rather than participation, it didn't reject the tastes of the day and wasn't a coherent narrative concept album.
