title: how to add subview over storyboard?
body: <p>I have a <code>ViewController</code> and I want to add 3 subviews in the content part.</p>
  
  <p>On the top i would put some 3-line fixed text and then tabBar (or segment control, I don't know what is best) and then subview.</p>
  
  <p>I want to create something such that it looks like this image example: </p>
  
  <p><a href="https://i.stack.imgur.com/7WkQd.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7WkQd.jpg" alt="An example of the above problem"></a>
  </p>
  
  <p>Specifically, my questions are: </p>
  
  <ol>
  <li>How to add over IB in storyboard 3 subviews (with labels and textViews)</li>
  <li>How to switch them over TabBar or segment</li>
  </ol>