Control device, non-transitory computer readable medium storing program, and display device

A non-transitory computer readable medium storing a program executed by a computer that controls a display device that displays an image appearing within a field of view of a user who visually recognizes a real space, the program causing the computer to realize:

• a function of displaying, via the display device, a corresponding image that is an image visible in a form associated with an object installation region that is a region in which an object is placed, among regions on a floor surface existing in the real space visually recognized by the user;
• and
• a function of not displaying the corresponding image or of displaying the corresponding image in a different display form for the object installation region in which a specific object is placed.

A display device that displays an image appearing within a field of view of a user who visually recognizes a real space,

• wherein the display device displays a corresponding image that is an image visible in a form associated with an object installation region that is a region in which an object is placed, among regions on a floor surface existing in the real space visually recognized by the user, and
• the display device comprises an acquisition unit that acquires three-dimensional data of an object corresponding image that is an image representing the object and is displayed within the field of view by the display device and that is used for designating the region on the floor surface or designating the object placed on the floor surface.