14. The user terminal according to claim 10 , wherein the display control unit is further configured to: in response to determining that the pull-down gesture ends and does not exceeds the threshold length, return the text box to the original position; and delete the user prompt icon.
10. The user terminal according to claim 9 , wherein the display control unit is further configured to display a down-ward moving of the text box from the original position as the pull-down gesture lengthens.