Key visual

A key visual arrives as one finished image with a clear hierarchy: composition, colour, typography, how photography or footage is handled, and the exact place for logo and text. An art director builds it with a copywriter, once the campaign strategy is signed off and before any shooting. Alongside the main motif you get two or three derivations showing how it behaves upright, wide and very small.

Picture a window manufacturer heading to a spring trade fair. They need a stand wall, a roll-up, a catalogue, a trade magazine ad and a month of posts. Without a key visual the designer treats every format as a separate job and the client pays for five designs. With one, the work is layout into a size, a fraction of the cost and the time.

The process is short. The brief says what the campaign should achieve, where it runs and in which sizes. The studio presents two concepts, the client picks one, and that becomes a production kit: master motif, grid, finished formats. Two to three weeks for a normal campaign. From the client we need the media plan, a format list with sizes and deadlines, and product photography.

There are cases where a key visual is not worth it: a single performance ad meant to live for a fortnight. Building one costs more than the campaign. Also watch for this with agencies. A motif can look beautiful on a wide presentation slide and fall apart in a phone story or on a three to one banner. Ask to see the least flattering format.

So we test a key visual first in the smallest, ugliest place it will ever appear: a story on a phone held at arm's length, and a black and white print. The handsome mock up comes later. A rule you can borrow today: if the motif cannot be read at thumbnail size, it is not finished.