ee-l3"><a class="reference internal" href="#breaking-down-a-gfe">Breaking down a GFE</a></li>
<li class="toctree-l3"><a class="reference internal" href="#gfe-nodes">GFE nodes</a><ul>
<li class="toctree-l4"><a class="reference internal" href="#description">Description</a></li>
<li class="toctree-l4"><a class="reference internal" href="#properties">Properties</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="#feature-nodes">Feature nodes</a><ul>
<li class="toctree-l4"><a class="r