A Signal is something that happens on your user's phone/tablet that is monitored on an ongoing basis.
Multiple Signals can be used together to enable you to easily create wonderful and engaging experiences for your users.
There are many many different Signals within OpenBack, each with multiple settings and options.
When the Signal, or group of Signals, happen locally on the device, the message is then delivered to the user in real-time.
OpenBack is constantly adding Signals and if you have a great idea for one, please tell us and we will try and include it - email@example.com.