-check"></i><b>9.3</b> How it Works</a><ul>
<li class="chapter" data-level="9.3.1" data-path="linking-widgets.html"><a href="linking-widgets.html#linking-widgets-keys"><i class="fa fa-check"></i><b>9.3.1</b> Keys</a></li>
<li class="chapter" data-level="9.3.2" data-path="linking-widgets.html"><a href="linking-widgets.html#linking-widgets-communication-lines"><i class="fa fa-check"></i><b>9.3.2</b> Communication Lines</a></li>
<li class="chapter" data-level="9.3.3" data-path="linking-widgets.html"><a href="l