U+25E7 "◧" Square with Left Half Black Unicode Character

U+25E7 "◧" Square with Left Half Black is a geometric symbol that depicts a perfect square whose left half is filled in solid black while the right half remains white or empty, creating a clear vertical division between the two halves. This character belongs to the Unicode block dedicated to geometric shapes and is often used in technical diagrams, interface design, or data visualization to represent a partially filled state, a toggle indicator, or a binary left right condition. Its design is simple and abstract, making it useful for conveying concepts of half completeness, directional emphasis, or contrasting areas without relying on text.