When her heroine walks down the famous East End street one step behind her husband, she sets the novel's tone in a single scene.

ECONOMIST: The capital as inspiration for novelists

Porsche today unveiled its 918 RSR, a single-seat hybrid racer that will set the tone for its racing technology over the next decade.

FORBES: Porsche's 918 RSR is a Real Hybrid, and it's Spectacular

But, in a scathing tone, Lady Thatcher insisted to me that a single currency was impossible.

FORBES: Margaret Thatcher Predicted The Failure Of The Euro In Forbes, October, 1992

Herrmann-Hitchcock resembles a single, epic symphony, though each project has a separate tone.

NPR: 'Hitchcock's Music' Scores Big on Suspense

Those picks do not include a single investor candidate and perpetuate a white-male, insider, auditor-friendly tone that makes me quite pessimistic.

FORBES: SEC Stacks The Deck Against Investors At PCAOB

He has sniped at the plan for Europe's single currency, but, now that its arrival seems inevitable, he has changed tone again.

ECONOMIST: Chancellor Schr?der?

Moreover, even within a single group, the meaning of a gesture could vary with context, almost as tone of voice can vary the meaning of a human's spoken word.

ECONOMIST: Evidence that the first words were movements, not sounds