e complex. A digital object has a fixed form when its binary 
content is stored so that the message it conveys can be rendered with the same documentary 
presentation it had on the screen when first saved. Because the same documentary 
presentation of a record can be produced by a variety of digital presentations, fixed form does 
not imply that the bitstreams must remain intact over time. It is possible to change the way a 
record is contained in a computer file without changing the record; for example, if