U+2B13 "⬓" Square with Bottom Half Black Unicode Character

U+2B13 "⬓" Square with Bottom Half Black is a geometric symbol that depicts a square whose lower half is filled in black while the upper half remains white or transparent, creating a contrast between light and dark sections. This character belongs to the Miscellaneous Symbols and Arrows block and is commonly used in visual representations, such as diagrams, user interfaces, or text-based graphics, to indicate partial shading, incomplete progress, or a state of being half full or half empty. Its design allows for intuitive communication of binary or proportional concepts within a confined square shape.