central idea

The title defines her protagonist as an interpreter, but the central idea of the book is that his identity cannot be defined.

The desire to avenge the death of his brother was indeed the central idea of Gaius Gracchus throughout his whole political career.

It isnt an ideal; it isnt even a central idea to express all the future of a great democracy.

Public opinion on any subject always has a 'central idea,' from which all its minor thoughts radiate.

Throughout the whole of his writings God is ever the central idea round which all converges.

He was concerned with the great central idea of saving his life.