You may think the broken lift in your building is an isolated problem until a public meeting reveals that residents across the district have been reporting the same failures. Town halls make private experiences visible to one another and to people who can respond.
The format is usually an open meeting organized around questions, concerns, and explanations. It can expose a problem, test a proposal, or put an official's answer on the record. It does not necessarily give attendees authority to make a binding decision.
More than a microphone
Imagine a transport agency proposing to close several stops. A useful town hall would make the proposal understandable, allow residents to explain journeys the planners missed, and record questions that need follow-up. An inaccessible technical presentation followed by ten minutes of questions offers a very different kind of participation.
Public-forum facilitation helps manage the gap between an open invitation and a discussion people can actually enter. Speaking order, smaller conversations, written submissions, and a credible facilitator can prevent a few practiced speakers from taking the whole meeting.
Turnout still is not a representative sample. The absence of objections may mean that affected people were working, lacked transport, or never heard about the event. A town hall becomes more useful when its visible conversation is connected to other ways of listening—and when unanswered questions receive answers afterward.