A terminal, comprising: a display configured to display a screen including a first region and a second region; and a controller configured to: execute at least one task; characterized in that the controller is further configured to: cause the display to simultaneously display a soft key and an image corresponding to an execution screen of the executed at least one task in the first region; and cause the display to display at least one function indicator for controlling an operation of the executed at least one task in the second region, wherein: the soft key comprises at least one of a home key, a back key or a menu key, the image is displayed as a background image in the first region, the soft key is displayed on the background image, and the controller is further configured to cause the display unit to fixedly display the image and the soft key in the first region, while another image is displayed in a remaining region of the screen. a display configured to display a screen including a first region and a second region; and a controller configured to: execute at least one task; characterized in that the controller is further configured to: cause the display to simultaneously display a soft key and an image corresponding to an execution screen of the executed at least one task in the first region; and cause the display to display at least one function indicator for controlling an operation of the executed at least one task in the second region, wherein: the soft key comprises at least one of a home key, a back key or a menu key, the image is displayed as a background image in the first region, the soft key is displayed on the background image, and the controller is further configured to cause the display unit to fixedly display the image and the soft key in the first region, while another image is displayed in a remaining region of the screen. execute at least one task; characterized in that the controller is further configured to: cause the display to simultaneously display a soft key and an image corresponding to an execution screen of the executed at least one task in the first region; and cause the display to display at least one function indicator for controlling an operation of the executed at least one task in the second region, cause the display to simultaneously display a soft key and an image corresponding to an execution screen of the executed at least one task in the first region; and cause the display to display at least one function indicator for controlling an operation of the executed at least one task in the second region, wherein: the soft key comprises at least one of a home key, a back key or a menu key, the image is displayed as a background image in the first region, the soft key is displayed on the background image, and the controller is further configured to cause the display unit to fixedly display the image and the soft key in the first region, while another image is displayed in a remaining region of the screen. the soft key comprises at least one of a home key, a back key or a menu key, the image is displayed as a background image in the first region, the soft key is displayed on the background image, and the controller is further configured to cause the display unit to fixedly display the image and the soft key in the first region, while another image is displayed in a remaining region of the screen.