title: Difference between Maven Build and Maven install
body: <p>I'm using Maven in Eclipse and when I try to build my project I see the following options:</p>
  
  <ol>
  <li>Build</li>
  <li>Clean</li>
  <li>generated-sources</li>
  <li>Install</li>
  </ol>
  
  <p>What is the difference between the Build and install? If build can be configured to execute different goals like "install"...Why do we need separate items?</p>