Direct answer
Brief illustration by naming the argument, audience, tension and evidence before suggesting imagery. Avoid first-option metaphors such as lightbulbs, puzzle pieces or ladders unless they genuinely sharpen the idea. A useful brief gives conceptual direction, not a stock-symbol shopping list.
Why it matters
This answer treats illustration as argument, evidence and metaphor rather than decoration. It should help readers brief, judge or use images responsibly against the story, audience and possible misreadings.
What to check
- What argument should the image make?
- What evidence, tone and ethical limits shape the visual direction?
- What obvious metaphor should be avoided or tested?
Common mistake
Starting with a stock visual metaphor instead of the argument, evidence and possible misreading.
Caveats
Low caveat risk: suitable for publication from the available source pack, but still avoid pricing, guarantees, unsupported service promises or claims not visible in the linked public ecosystem.