Usually used for: Public awareness campaigns, social concerns, events, promotions, and announcements.
Placement: Frequently on exhibit in busy places such as walls, notice boards, bus stations, or retail establishments.
Design-related factors:
Concentrate on a clear message: Since posters may be viewed from a distance, make sure the content is clear and succinct.
Bold graphics: To draw attention, use contrasting colors, a clear information hierarchy, and powerful pictures.
Call to action: Urge the audience to do a certain action, such as going to a website or an event.