U+25A9 "▩" Square with Diagonal Crosshatch Fill Unicode Character

U+25A9 "▩" Square with Diagonal Crosshatch Fill is a geometric symbol belonging to the Geometric Shapes block, depicting a square filled entirely with a pattern of intersecting diagonal lines that create a mesh or crosshatch texture. Often used in visual design, cartography, and data representation, this character serves as a filling pattern to indicate specific zones, materials, or shaded areas in diagrams and technical drawings. Its standardized encoding ensures consistent appearance across digital platforms, making it useful for dividing spaces or adding visual contrast in text-based graphics without relying on external images.