A card (which is displayed on a screen by the card application and is thus operated, and has a single function) is output to a display of an information processing device through a shell (an OS for controlling card application and a seal application), and a seal (a display associated with an action such as an output) can be placed on a part of the card. The seal placed on the card is written to a seal DB and the seal placed on the card is displayed in accordance with information of the seal DB when the card is to be output. The seal corresponds to a seal application depending on each type. When an object of the card having the seal placed thereon is coincident with a predetermined condition, the corresponding seal application is activated by the shell so that a predetermined action such as a notice or an output of a ring tone is executed.