Final answer:
The central dramatic focal point in Francisco de Goya's painting The Third of May, 1808 is the figure in the white shirt, highlighted through the use of a candle lantern and their stance.
Step-by-step explanation:
Emphasis in artwork can be achieved through various elements, such as color, location, and contrast. In Francisco de Goya's painting The Third of May, 1808, the central dramatic focal point is the figure in the white shirt. This figure is highlighted through the use of a candle lantern acting as a spotlight and their dramatic stance, which sets them apart from the rest of the crowd and draws attention to them. The emphasis created by these elements makes the figure the main focal point of interest in the artwork.