U+25B0 "▰" Black Parallelogram Unicode Character

U+25B0 "▰" Black Parallelogram is a geometric symbol that represents a filled, four-sided shape with opposite sides parallel and equal in length, typically angled rather than a perfect rectangle. It is part of the Geometric Shapes block in Unicode and is often used in technical diagrams, user interface design, or as a visual marker for progress bars, lists, and data visualization. This character can also serve as a block element in text-based art or shading, where its solid black fill provides a distinct visual contrast against lighter backgrounds.