U+25DC "◜" Upper Left Quadrant Circular Arc Unicode Character

U+25DC "◜" Upper Left Quadrant Circular Arc is a geometric symbol that represents a quarter-circle segment occupying the upper left corner of an invisible bounding square, resembling the top-left portion of a ring or circle. It is part of the Block Elements and Geometric Shapes blocks within the Unicode standard, often used in technical diagrams, user interface design, ASCII art, or to create visual patterns such as borders and loading indicators. Its symmetrical counterparts include the upper right, lower left, and lower right quadrant arcs, which together can form a complete circular outline when placed in the four corners of a square area.