The final version of the off-commentary however only really begins to take shape after filming in the editing suite. One of the basic principles of off-commentary is to make sure the text doesn’t simply describe the image but instead complements or adds to the visual information.
During filming the camera’s main objective is to determine how to convey the message on a purely visual level. For the camera, the filmed subject should be the main source of information. With the off-commentary it’s a different story: