Forums are online discussion groups. They’re like message boards, but they have rules and moderation, and they’re usually more focused on a single topic. Forums are considered to be one of the oldest forms of online communication. Back in the dial-up days, online message boards were where people would go to ask questions and get advice from other people. These days, people use them to talk about just about anything. There are internet forums for almost anything you can imagine, like sports, hobbies, and even politics.