1. A display device for a vehicle, the display device comprising: a display that displays, through a display surface thereof, an information image containing various information items; and a partitioning member that is located in front of the display surface of the display, wherein: the information image is segmented into a plurality of regions including a first region and a second region, which have a boundary therebetween, the partitioning member extends along the boundary to mask the boundary, the information image comprises a presentation image which is configured to be movable from an initial non-display position in the first region to a terminal display position in the second region, and the presentation image is configured to be movable in at least one of a separating direction to slide out to the side from the first region to be displayed and an approaching direction to slide into the first region to be removed such that the presentation image is moved only in the second region.