Abstract: A terminal device including a module that receives from a chat sever chat data including comment sentence text data and positional information on an object placed on a chat canvas and stores it in a memory, a module that projects an object placed on the chat canvas to a screen viewed from a virtual camera in a three-dimensional virtual space and calculates the position of the object on the screen, a module that displays on the chat window the comment sentence text data corresponding to the object on the basis of the position of the object on the screen, the position, line-of-sight direction or camera parameter of the virtual camera in the three-dimensional virtual space is changed on the basis of an input from a user.