U+25EA "◪" Square with Lower Right Diagonal Half Black Unicode Character

U+25EA "◪" Square with Lower Right Diagonal Half Black is a geometric symbol that depicts a square where the lower right triangle half, as divided by a diagonal line from the top left corner to the bottom right corner, is filled in black while the upper left triangle half remains unfilled or transparent. This character belongs to the Geometric Shapes block in Unicode and is commonly used in visual design, technical diagrams, and text-based graphics to represent partial shading, indicator states, or to create simple patterns and borders. Its balanced, asymmetric design allows it to serve as a versatile element in digital typesetting and interface elements.