U+25B2 "▲" Black Up-Pointing Triangle Unicode Character

U+25B2 "▲" Black Up-Pointing Triangle is a geometric symbol that represents an upward pointing arrowhead or triangle shape, often used in digital interfaces to indicate expansion, increase, navigation, or to draw attention to content above. It is part of the Geometric Shapes block in Unicode and is commonly employed in user interface design for buttons like "play" or "collapse", in mathematical notation, and in text based diagrams or charts. The solid black filling distinguishes it from outlined variants like the white up pointing triangle, making it useful for high contrast visibility in both print and screen media.