important to understand the difference between topic types and keywords.&nbsp; Topic types have their own indexes and behavior settings.&nbsp; You&rsquo;ll reference them by name when dealing with indexes in the <a href="menu.html">menu file</a> or prototype detection in the <a href="customizinglanguages.html">language file</a>, but not when documenting your code unless you make their names keywords as well.</p><p>You use keywords when documenting your code.&nbsp; There can be many keywords per topic type, 