13. A terminal to control an application based on a handwriting input, the terminal comprising: a receiver to receive a message associated with an application, the message being received while displaying a first screen on a touch screen display; the touch screen display to display the first screen and to display a notification indicating the message receipt while displaying a portion of the first screen; a determination unit to activating a handwriting recognition module to recognize a handwriting input to be associated with the application if the notification is displayed on the touch screen display, and to recognize the handwriting input received on the touch screen display of the terminal, and to determine a symbol corresponding to the handwriting input; and a processor configured to select the application capable of being associated with the symbol, to associate the symbol with a function of the application, and to process the associated symbol through the application executed in a background.
13. A terminal to control an application based on a handwriting input, the terminal comprising: a receiver to receive a message associated with an application, the message being received while displaying a first screen on a touch screen display; the touch screen display to display the first screen and to display a notification indicating the message receipt while displaying a portion of the first screen; a determination unit to activating a handwriting recognition module to recognize a handwriting input to be associated with the application if the notification is displayed on the touch screen display, and to recognize the handwriting input received on the touch screen display of the terminal, and to determine a symbol corresponding to the handwriting input; and a processor configured to select the application capable of being associated with the symbol, to associate the symbol with a function of the application, and to process the associated symbol through the application executed in a background. 15. The terminal of claim 13 , wherein the processor is configured to activate the function of the application using the symbol.