1. One or more computer readable media wherein the one or more computer readable media do not consist of a propagated data signal, the one or more computer readable media storing computer-readable instructions that when executed provide: a hardware/software interface-for a computer system, said hardware/software interface manipulates a plurality of items stored in a memory device, the plurality of items comprising discrete units of information pertaining to an image and having properties understandable by said hardware/software interface system, wherein said hardware/software interface system comprises an image schema that defines at least one image item and at least one image property, wherein at least one image item is extended to define a photo schema that defines a foundational item type from which photo items manipulated in the hardware/software interface system are derived, the foundational item type defining attributes including a region of interest attribute of one of the photo items, the region of interest attribute including a field identifying at least one person within a first region of the one of the photo items.