QTP checkpoints

There r 8types of check point in QTP. they are
1.Standard check point:It checks the GUI objects properties
2.Database Check point:It checks the backend data of the application
3.Text check point:It checks the text in a application
4.Text area check point:It checks the perticular text area in a application
5.Bitmap check point: it checks the bitmaps in an application. It takes perticular area as a bitmap.But Image check point checks only web application
6.Accessibility Check point: It can checks the accessibility of the web application only.
7.XML check point:It can checks the XML web application
8.XML check point from file: It can checks the XML code for the perticular file