Indeed, the single most important new concept is competition.

Although there is no single concept of cool, its definitions fall into a few broad categories.

Don't imagine for a moment that they and the human race might have a common purpose or a single common concept.

They both share a single concept and the same story.

There would be time enough to examine such conflicting responses to a single concept.

Contemporary displays are more concerned that you grasp a single concept.

This was partly due to the size of the gallery itself: the one small room could physically house only a single concept at a time.

That's because they're much harder to reduce to a single concept or plot line.

They decided to work with limited series, each inspired by a single concept.