A placard is a visual display or sign typically made of cardboard, paper, or another sturdy material. It often contains printed or handwritten text, images, or both, conveying information, messages, or announcements. Placards are commonly used in protests, demonstrations, rallies, and public gatherings to express opinions, raise awareness, or communicate important details to a large audience. They can be held by individuals or displayed on walls, fences, or other surfaces for maximum visibility. The content of a placard can vary widely, ranging from slogans, statements, or demands to artwork, symbols, or photographs, serving as a powerful tool for public expression and engagement.