16. The terminal according to claim 15 , wherein the controller controls the display to display the indication of the available character capacity adjacent to a cursor.
15. A terminal that displays an available character capacity in a character entry window, comprising: an input unit for entering characters; a display that displays the character entry window; a controller that calculates the available character capacity and available character capacity percentage based on characters entered by a user, controls the display to display the entered characters in the character entry window, and controls the display to display an indication of the available character capacity at a position in the character entry window adjacent to a last character entered by the user when the available character capacity percentage is between a first value and a second value, and to automatically change the position of the displayed indication of the available character capacity to a new corresponding position for each of a plurality of additional characters entered by the user, wherein the controller changes the color of the indication of the available character capacity when the available character capacity percentage is between the second value and a third value, wherein the second value is less than the first value and the second value is greater than the third value, and the controller changes a display type of the indication of the available character capacity from a number to a text when the available character capacity percentage is zero.