U+25C2 "◂" Black Left-Pointing Small Triangle Unicode Character

U+25C2 "◂" Black Left-Pointing Small Triangle is a typographic symbol that depicts a small, solid black triangle oriented to point leftward, and it belongs to the Geometric Shapes block within the Unicode standard. It is commonly used in user interfaces, diagrams, and documentation to indicate a collapse, a previous step, or a leftward direction, often serving as a visual marker for navigation or list formatting. This character is distinct from its larger counterparts and is frequently employed in combination with other directional triangles, such as the right-pointing version U+25B8, to create clear and intuitive graphical sequences.