title: Semantic difference between <<use>> and <<invokes>> in UML diagram?
body: <p>I really don't understand what is the difference between <code>&lt;&lt;use&gt;&gt;</code> and <code>&lt;&lt;invokes&gt;&gt;</code> in UML diagrams. I don't understand the difference because They seems equals when they use services from another class.</p>
  
  <p>What is the semantic difference between <code>&lt;&lt;use&gt;&gt;</code> and <code>&lt;&lt;invokes&gt;&gt;</code> in UML diagram?</p>