title: What is the module field in the identity inspector used for?
body: <p>What is the module field in the identity inspector used for?  In Xcode, there is a field under the class name when you switch to the identity inspector.  I understand the class field is for selecting the class but not too sure what the module field is for. you can see the below screenshot </p>
  
  <p><a href="https://i.stack.imgur.com/sRYzV.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/sRYzV.png" alt="image of Xcode&#39;s identity inspector"></a></p>