title: What is Navigability in UML diagrams?
body: <p>What is an example of Navigability in UML diagrams? My professor has provided the follow figure, but I can't seem to figure it out:</p>
  
  <p><a href="https://i.stack.imgur.com/QWOHc.png" rel="noreferrer"><img src="https://i.stack.imgur.com/QWOHc.png" alt="enter image description here"></a></p>