A Signal Icon represents the strength and quality of connectivity in digital devices. Typically depicted as bars or an antenna, it indicates the level of reception for network signals such as Wi-Fi or cellular. The icon serves as a visual indicator for users to assess the strength of their connection and ensure reliable communication. It is commonly used in mobile devices, indicating signal strength for calls, internet access, and other wireless functionalities. Universally recognized, it helps users make informed decisions about their network usage and connectivity.