U+25D2 "◒" Circle with Lower Half Black Unicode Character

U+25D2 "◒" Circle with Lower Half Black is a geometric symbol that depicts a perfect circle where the lower half is filled with a solid black color while the upper half remains white or transparent, creating a distinct two tone appearance. This character is part of the Geometric Shapes block in Unicode and is often used in technical diagrams, data visualization, or user interface design to represent a partially filled state, such as a progress indicator or a toggle between on and off conditions. Its visual meaning can also convey concepts like balance, division, or a half complete status in contexts where a simple binary visual is needed without relying on text.