Freedom of information: the information in the applications that do not affect user written class changed the way external storage media. No effect on the level of data collection idea .
Freedom of information data in level changed the concepts do not affect applications written in the external level changed way of storing data in the media. There is no impact on the conceptual level storage .
The information is free of changing the information in a concept has no impact on the application that the user is in an external level changed the way the storage media in Storage is not affected by the level concept