library is organized in three layers:
    </p>
<h4>
<a name="fusion.organization.h0"></a>
      <span class="phrase"><a name="fusion.organization.layers"></a></span><a class="link" href="organization.html#fusion.organization.layers">Layers</a>
    </h4>
<div class="blockquote"><blockquote class="blockquote"><p>
        <span class="inlinemediaobject"><img src="../images/fusion_org.png" alt="fusion_org"></span>
      </p></blockquote></div>
<p>
      The entire library is found in the <code class="computerou