This is a square, white or silvery gray. This emoticon can be used to represent various white and square things, such as tofu, white chocolate, yogurt block, white popsicle, whiteboard, first aid kit and so on.
Different platforms depict different square patterns. The squares depicted on most platforms have four right angles, but in the emoji of Facebook platform, the four corners of the squares have a certain radian, which makes them look relatively smooth. In addition, the square depicted by emojidex and Messenger platform has strong stereoscopic impression, showing the shadow or luster of graphics. Different from others, the au by KDDI platform depicts an orange square, and two white lines and a small white dot are added in the upper right corner to represent the luster of the graphic display. As for LG platform, it depicts a dark gray square.
