Six years on, it remains a compelling image.

The words 'hot chocolate fondant' on a dessert menu conjure a compelling image of the molten chocolate running out and the alluring aroma.

Concise comic ideas expressed through a compelling image and its single- line caption are the basic mould out of which 90 per cent of the magazine's cartoons are stamped.

The war artist or combat artist captures instantaneous action and conflates earlier moments of the same scene within one compelling image.

A tiny picture of a humble kitchen servant remains through the centuries among the most compelling images in a collection of some 1 million pieces.