Patent ID: 7007034

Claim:
A computer program storage device readable by a machine, tangibly embodying a file structure for storing a content object, being one of a book, a collection of images, an album, a video and a multimedia object, capable of being produced by a processing system and having a plurality of content entities to facilitate content adjustment, said file structure comprising: an identifier file object containing a list of content entity identifiers defining the content of the content object, wherein a hierarchial arrangement of the content entity identifiers within the list includes at least one hierarchial tier and at least one subordinate tier and corresponds to a user-defined content object hierarchical structure, and wherein the content entity identifiers are determined by the processing system and placed in the list in response to user selection of content entities for the content object; and a plurality of content file objects, each containing a content entity identified by one of the content entity identifiers contained in said list, wherein the content entity identifiers each include identification information identifying the content file object containing the content entity associated with that identifier; wherein the presence and position of content entity identifiers within said list are modifiable by the user to alter content and arrangement of the content object without manipulating the content entities identified by said content entity identifiers.