DISPLAY DEVICE, VEHICLE, AND DISPLAY METHOD AND PROGRAM

PROBLEM TO BE SOLVED: To instinctively determines the risk of sideway rolling of a vehicle from the gradient of graphics which schematically indicate a state of the vehicle as viewed from the backward.SOLUTION: A display device 20 includes a first display control unit 21, by which graphics 10, 11 expressing rear wheels and a rear axle of a combination vehicle are displayed, and a second display control unit 22, which displays a graphic 12 expressing a container of the combination vehicle. The graphics 11, which expresses the rear axle displayed by the first display control unit 21, is displayed being fixed at a predetermined position where the axial direction thereof represents the horizontal direction. The graphic 12, which expresses the container displayed by the second display control unit 22, is displayed at any one of plural positions that represent a roll angle of the combination vehicle by setting the direction of the displayed position thereof intersecting the axial direction of the graphics 11 expressing the rear axle as the direction of the roll angle of 0°.