Abstract: Easy switching to a display mode that corresponds to a viewing-and-listening style that is desired by a user is enabled. A display device (1) displays one or plural objects on a slidable background and performs switching between a first mode in which display of a target object among the one or plural objects is stopped in a case where the background is slid and a second mode in which the target object is displayed while being fixed to a display region regardless of whether or not the background is slid.

Abstract: Easy switching to a display mode that corresponds to a viewing-and-listening style that is desired by a user is enabled. A display device (1) displays one or plural objects on a slidable background and performs switching between a first mode in which display of a target object among the one or plural objects is stopped in a case where the background is slid and a second mode in which the target object is displayed while being fixed to a display region regardless of whether or not the background is slid.

Abstract: In an information recording device (10), a content control unit (14a) divides an input content into a plurality of sections and further subdivides each section into recording units with predetermined data amounts. An attached information generating unit (14b) generates attached information necessary for making use of the input information and license. An encrypting unit (15) generates encrypting information by using a number that is included in the attached information and that is allocated to the input information, and encrypts information included in the recording unit by the encrypted information. Further, the information encrypted by the encrypting unit, the attached information corresponding to the input information and the license are associated with every section divided by the content control unit through an outside input and output I/F(11) and the associated information and the license are recorded on a recording medium.