A mobile terminal comprising: a touchscreen; and a controller configured to cause the touchscreen to: display a first message creation screen for creating a message to be transmitted to a specific destination; display a plurality of icons (12a, 12b, 12c, 12d, 12e) on the first message creation screen while the message is created on the first message creation screen, each of the plurality of icons (12a, 12b, 12c, 12d, 12e) corresponding to a different message format; and display a message capacity (25a, 25b, 25c, 25d, 25e) for each of the plurality of icons (12a, 12b, 12c, 12d, 12e) in a format associated with a corresponding one of different message formats while the message is created such that the displayed message capacity is changed according to a size of the created message on the first message creation screen, wherein the plurality of icons (12a, 12b, 12c, 12d, 12e) include a first icon corresponding to a first message format and a second icon corresponding to a second message format, and wherein the message capacity is displayed in a first format for the first message format and in a second format for the second message format, the second format being different from the first format, such that a number of formats for displaying the message capacity corresponds to a number of the plurality of icons (12a, 12b, 12c, 12d, 12e). a touchscreen; and a controller configured to cause the touchscreen to: display a first message creation screen for creating a message to be transmitted to a specific destination; display a plurality of icons (12a, 12b, 12c, 12d, 12e) on the first message creation screen while the message is created on the first message creation screen, each of the plurality of icons (12a, 12b, 12c, 12d, 12e) corresponding to a different message format; and display a message capacity (25a, 25b, 25c, 25d, 25e) for each of the plurality of icons (12a, 12b, 12c, 12d, 12e) in a format associated with a corresponding one of different message formats while the message is created such that the displayed message capacity is changed according to a size of the created message on the first message creation screen, wherein the plurality of icons (12a, 12b, 12c, 12d, 12e) include a first icon corresponding to a first message format and a second icon corresponding to a second message format, and wherein the message capacity is displayed in a first format for the first message format and in a second format for the second message format, the second format being different from the first format, such that a number of formats for displaying the message capacity corresponds to a number of the plurality of icons (12a, 12b, 12c, 12d, 12e). display a first message creation screen for creating a message to be transmitted to a specific destination; display a plurality of icons (12a, 12b, 12c, 12d, 12e) on the first message creation screen while the message is created on the first message creation screen, each of the plurality of icons (12a, 12b, 12c, 12d, 12e) corresponding to a different message format; and display a message capacity (25a, 25b, 25c, 25d, 25e) for each of the plurality of icons (12a, 12b, 12c, 12d, 12e) in a format associated with a corresponding one of different message formats while the message is created such that the displayed message capacity is changed according to a size of the created message on the first message creation screen, wherein the plurality of icons (12a, 12b, 12c, 12d, 12e) include a first icon corresponding to a first message format and a second icon corresponding to a second message format, and wherein the message capacity is displayed in a first format for the first message format and in a second format for the second message format, the second format being different from the first format, such that a number of formats for displaying the message capacity corresponds to a number of the plurality of icons (12a, 12b, 12c, 12d, 12e).