Online discussion boards are digital platforms where users can post messages and engage in conversations on various topics. These boards allow individuals to share ideas, ask questions, and provide answers, creating a community of discussion. They can be found on websites, forums, and social media platforms, making it easy for people to connect regardless of their location. Participants can create threads to start new discussions or reply to existing ones, fostering interaction among users. Topics can range from hobbies and interests to academic subjects and professional advice. Popular examples of online discussion boards include Reddit, Quora, and specialized forums for specific communities.