ther to provide more powerful
      functionality.
    </p>
<p>
      Expressions are composed of zero or more actors. Each actor in a composite
      can again be another expression.
    </p>
<div class="table">
<a name="phoenix.organization.t0"></a><p class="title"><b>Table&#160;1.2.&#160;Modules</b></p>
<div class="table-contents"><table class="table" summary="Modules">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
              <p>
                Module
              </p>
            </th>
<th>
 