In a PC (100), an information acquisition device (120) acquires a plurality of meta information items. A storage device (130) stores a plurality of modules each having rules defined for creating a sort-ready text according to readings representative of how the corresponding acquired meta information item is read. A sort-ready text creation device (140) creates automatically the sort-ready text for each of the meta information items acquired by use of at least one of the stored modules which includes rules applicable to predetermined conditions. A sort execution device (150) sorts each of the meta information items based on the sort-ready text which has been created automatically, thereby automatically creating sorted meta information. An initial information creation device (160) creates initial information including an initial of each of the meta information items before adding the created initial information to each of the meta information items. These devices combine to sort the meta information according to the user's language and preferences.