title: Why using Merge node in the activity diagram?
body: <p>My question is about the merge node in the UML activity diagram, when and why to use it?</p>
  
  <p>Merge node example:</p>
  
  <p><a href="https://i.stack.imgur.com/GLBZS.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/GLBZS.png" alt="Link to Merge node example"></a></p>