A mobile terminal apparatus arranged to display data for a screen with a large amount of information in an abbreviated format suitable for a screen with a small amount of information, the apparatus comprising: (a) a first display means which is arranged to display overview data of the data for the screen with the large amount of information, the overview data including a plurality of contents; a second display means; (b) a selecting means arranged to select an arbitrary content desired by a user among the plurality of contents from within the overview data displayed on the first display means; (c) a communicating means arranged to connect via a communication network a management device which stores and manages the data for the screen with the large amount of information, and (d) a change control means (14, 16) which is arranged, every time a content is selected by the selecting means, to obtain data representing the selected content from the management device via the communicating means, to change the obtained data into data representing the selected content in the abbreviated format suitable for the screen with the small amount of information and to arrange and display the selected content according to the data in the abbreviated format on the second display means of the mobile terminal apparatus, characterized in that the change control means (14, 16) is further arranged, as a guidance to the user for arranging and displaying a currently-selected content on the second display means with respect to a previously-selected content being displayed on the second display means, to display on the second display means indication bars (G1, G2) indicating candidate positions where the currently-selected content can be arranged with respect to the previously-selected content, and, when an arbitrary candidate position is selected therefrom by the user, to arrange and display the currently-selected content at the selected candidate position; and (e) the communicating means is arranged to transmit, via the communication network to the management device, an arrangement state of respective contents displayed on the second display means by the change control means (14, 16) as a page configuration change screen, and to instruct the management device to register and store the page configuration change screen. (a) a first display means which is arranged to display overview data of the data for the screen with the large amount of information, the overview data including a plurality of contents; a second display means; a second display means; (b) a selecting means arranged to select an arbitrary content desired by a user among the plurality of contents from within the overview data displayed on the first display means; (c) a communicating means arranged to connect via a communication network a management device which stores and manages the data for the screen with the large amount of information, and (d) a change control means (14, 16) which is arranged, every time a content is selected by the selecting means, to obtain data representing the selected content from the management device via the communicating means, to change the obtained data into data representing the selected content in the abbreviated format suitable for the screen with the small amount of information and to arrange and display the selected content according to the data in the abbreviated format on the second display means of the mobile terminal apparatus, characterized in that the change control means (14, 16) is further arranged, as a guidance to the user for arranging and displaying a currently-selected content on the second display means with respect to a previously-selected content being displayed on the second display means, to display on the second display means indication bars (G1, G2) indicating candidate positions where the currently-selected content can be arranged with respect to the previously-selected content, and, when an arbitrary candidate position is selected therefrom by the user, to arrange and display the currently-selected content at the selected candidate position; and to obtain data representing the selected content from the management device via the communicating means, to change the obtained data into data representing the selected content in the abbreviated format suitable for the screen with the small amount of information and to arrange and display the selected content according to the data in the abbreviated format on the second display means of the mobile terminal apparatus, the change control means (14, 16) is further arranged, as a guidance to the user for arranging and displaying a currently-selected content on the second display means with respect to a previously-selected content being displayed on the second display means, to display on the second display means indication bars (G1, G2) indicating candidate positions where the currently-selected content can be arranged with respect to the previously-selected content, and, when an arbitrary candidate position is selected therefrom by the user, to arrange and display the currently-selected content at the selected candidate position; and (e) the communicating means is arranged to transmit, via the communication network to the management device, an arrangement state of respective contents displayed on the second display means by the change control means (14, 16) as a page configuration change screen, and to instruct the management device to register and store the page configuration change screen.