U+25E3 "◣" Black Lower Left Triangle Unicode Character

U+25E3 "◣" Black Lower Left Triangle is a geometric symbol representing a filled triangular shape oriented with its right angle in the lower left corner and its hypotenuse sloping upward to the right. As part of the Geometric Shapes block, it is often used in digital graphics, user interfaces, and technical diagrams to indicate direction, selection, or to fill a specific corner of a bounding area. Its solid black design gives it a distinct visual weight, making it useful for decorative dividers, progress indicators, or binary state representations where a clear, simple shape is needed.