Online Forum Website

Online forums bring people together to discuss and exchange information around shared topics, such as technology or fitness. Forums usually include multiple discussion threads organized by topic, making it easier for users to find the subject they want to weigh in on. 

Real-life business online forum example: 

BE RADICAL strives to empower its members to be the very best version of themselves. Its website includes “radical support,” a series of online groups, chats and challenges where members can share their wisdom.