</span> Multi-use models</a></li>
  </ul>
</nav>
    </div>
<!-- main -->
<main class="content" id="quarto-document-content">

<header id="title-block-header" class="quarto-title-block default">
<div class="quarto-title">
<h1 class="title"><span class="chapter-number">6</span>&nbsp; <span class="chapter-title">Engagement and scoping</span></h1>
</div>



<div class="quarto-title-meta">

    
  
    
  </div>
  


</header>


<div class="callout callout-style-default callout-important callout-titled">
<div c