Disclosed are a glass cover plate for a display assembly, and a display assembly and a terminal. The glass cover plate comprises: a display area and a peripheral area, wherein the display area corresponds to a display area of a display panel of the display assembly, and the peripheral area surrounds the display area; and a first corner of the peripheral area has a first information medium window, and the first information medium window corresponds to a first electronic element. By means of the present invention, a display assembly has a relatively high screen-to-body ratio, and the formation of a recess in the display assembly is avoided.