U+25F1 "◱" White Square with Lower Left Quadrant Unicode Character

U+25F1 "◱" White Square with Lower Left Quadrant is a geometric symbol that represents a white square where only the bottom left corner section is filled or highlighted, leaving the other three quadrants empty. It belongs to the block "Geometric Shapes" and is often used in technical diagrams, graphical interfaces, or visual puzzles to denote partial shading, incomplete states, or specific directional focus within a two by two grid. This character can also function in data mapping or as a placeholder for missing or selective quadrant display, offering a simple yet clear visual cue in both digital and printed contexts.