They are designed in high resolution coloured and black/white formats providing higher visibility for the mass audiences of newspapers.
Display ads typically contain text, photographs, logos, maps, and other informational items.
The classified pages were traditionally text-only, and available in a limited selection of typefaces.
Display ads charges are usually based on the amount of area they consume and are quoted in per cm2 or per column cm .
Nowadays, most newspapers and magazines have converted to a "modular" system that simplifies ad size and eliminates the need to figure out column inches.