A bulletin board is a surface, often made of cork or fabric, where information can be posted for public viewing. It is commonly found in places like schools, community centers, and offices. People use bulletin boards to share announcements, events, and other important information, making it a useful tool for communication. Bulletin boards can be both physical and digital. Physical bulletin boards allow for paper notices, while digital bulletin boards, like those found on websites or social media platforms, enable users to share information online. Both types serve the same purpose of keeping communities informed and connected.