c#: SerializableAttribute
<p>The <code>SerializableAttribute</code> class is explained on <a href="http://msdn.microsoft.com/en-us/library/system.serializableattribute.aspx" rel="nofollow">this link</a>.  In the start it is written:</p>

<blockquote>
  <p>Indicates that <strong>a class can be serialized</strong></p>
</blockquote>

<p>Can anybody expalin what this means (the bold part). I am not clear about it.</p>
