A mobile terminal comprising: a user input unit configured to receive user-inputs; a wireless communication unit configured to wirelessly communicate with at least one other terminal; at least one camera configured to capture images; a touchscreen configured to display a camera preview image captured by the camera; a position-location module configured to obtain information on a current position of the mobile terminal; and a controller configured: to display a direction indicator, if an object having an object information corresponding to an input keyword does not exist within the camera preview image, wherein the direction indicator indicates a direction for moving the mobile terminal to enable the object having the object information to appear in the camera preview image, to search for textual object information corresponding to an object within the camera preview image based on the current position of the mobile terminal, to control the camera to photograph the camera preview image and to store the photographed camera preview image as a picture file, to output query information to query whether the searched textual object information is to be stored together with the picture file, and to store the picture file with or without the searched textual object information based on an answer to the output query information, wherein the controller is further configured to change a searching distance for searching for textual object information corresponding to an object within the camera preview image from the current position of the mobile terminal when the user input unit receives a specific user-input from a user, wherein the controller is further configured to automatically zoom the camera preview image in accordance with the changed search distanced. a user input unit configured to receive user-inputs; a wireless communication unit configured to wirelessly communicate with at least one other terminal; at least one camera configured to capture images; a touchscreen configured to display a camera preview image captured by the camera; a position-location module configured to obtain information on a current position of the mobile terminal; and a controller configured: to display a direction indicator, if an object having an object information corresponding to an input keyword does not exist within the camera preview image, wherein the direction indicator indicates a direction for moving the mobile terminal to enable the object having the object information to appear in the camera preview image, to search for textual object information corresponding to an object within the camera preview image based on the current position of the mobile terminal, to control the camera to photograph the camera preview image and to store the photographed camera preview image as a picture file, to output query information to query whether the searched textual object information is to be stored together with the picture file, and to store the picture file with or without the searched textual object information based on an answer to the output query information, wherein the controller is further configured to change a searching distance for searching for textual object information corresponding to an object within the camera preview image from the current position of the mobile terminal when the user input unit receives a specific user-input from a user, wherein the controller is further configured to automatically zoom the camera preview image in accordance with the changed search distanced. to display a direction indicator, if an object having an object information corresponding to an input keyword does not exist within the camera preview image, wherein the direction indicator indicates a direction for moving the mobile terminal to enable the object having the object information to appear in the camera preview image, to search for textual object information corresponding to an object within the camera preview image based on the current position of the mobile terminal, to control the camera to photograph the camera preview image and to store the photographed camera preview image as a picture file, to output query information to query whether the searched textual object information is to be stored together with the picture file, and to store the picture file with or without the searched textual object information based on an answer to the output query information, wherein the controller is further configured to change a searching distance for searching for textual object information corresponding to an object within the camera preview image from the current position of the mobile terminal when the user input unit receives a specific user-input from a user,