U+25E8 "◨" Square with Right Half Black Unicode Character

U+25E8 "◨" Square with Right Half Black is a geometric symbol belonging to the block of shapes originally designed for text and character mapping, depicting a square where the entire right half is filled in black while the left half remains white or transparent. It is part of a set of half-shaded squares that serve as building blocks for creating visual patterns, representing binary states, or indicating partial shading in technical diagrams, typography, and early computer interface designs. This character is commonly used in puzzle graphics, progress indicators, or as a simple way to show a two state visual split within a single cell of a grid or table.