getApplicationContext(), getBaseContext(), getApplication(), getParent()
<p>What is the <code>difference between</code></p>

<ol>
<li><code>getApplicationContext()</code></li>
<li><code>getBasecontext()</code></li>
<li><code>getApplication()</code></li>
<li><code>getParent()</code></li>
</ol>

<p>Can you elaborate with one simple example?  </p>
