A Public Information Display is a system used to convey information to the public in various settings, such as airports, train stations, and shopping malls. These displays can show real-time updates, schedules, directions, and important announcements, helping people navigate their environment more effectively. Typically, these displays use digital screens to present information in a clear and engaging manner. They can be interactive, allowing users to touch the screen for more details, or static, simply showing text and images. Common examples include digital signage, wayfinding systems, and advertising displays.