title: What is the difference between dump, download, snapshot and backup?
body: <p>I started studying the data area and didn't understand the difference between these terms <strong>dump</strong>, <strong>backup</strong>, <strong>snapshot</strong> and <strong>download</strong>.</p>
  <ul>
  <li>For which use each thing ?</li>
  <li>Is everything the same ?</li>
  </ul>