1. A method for displaying a word or phrase on an idle screen of a mobile communication terminal, the method comprising: receiving input of a plurality of words or phrases for display on the idle screen via a user input device of the mobile communication terminal, wherein each of the plurality of words or phrases is associated with one of a plurality of periods of time for display, each of the plurality of periods of time for display having a duration that is defined by a corresponding starting time and a corresponding ending time; storing the plurality of words or phrases in a memory of the mobile communication terminal; and displaying at least one of the associated word or phrase on the idle screen for the associated one of the plurality of periods of time beginning when the corresponding starting time is a current time, wherein a first word or phrase of the plurality of words or phrases is displayed via repeatedly scrolling the first word or phrase on the idle screen upon a first period of time of the plurality of periods of time for display, wherein a second word or phrase of the plurality of words or phrases is displayed via repeatedly scrolling the second word or phrase on the idle screen upon a second period of time of the plurality of periods of time for display, wherein the first word or phrase and the second word or phrase are concurrently displayed via repeatedly scrolling the respective first word or phrase and the second word or phrase when the current time is within both the first period of time and the second period of time, and wherein the second word or phrase is different than the first word or phrase.