title: What is the difference between background state , InActive State & Non-running state of iOS App?
body: <p>Can you please explain me<br/></p>
  
  <ol>
  <li>What is the difference between background state , InActive State &amp;  Not-running state of iOS App?<br/></li>
  <li>What is the difference between Main Bundle and Documents Directory?
  (Suppose I download a file/resource(e.g data.plist) from app ,so where can i find it? In Main Bundle or Documents directory or somewhere else?)</li>
  </ol>
  
  <p>Thanks</p>