U+25DA "◚" Upper Half Inverse White Circle Unicode Character

U+25DA "◚" Upper Half Inverse White Circle is a geometric symbol that represents an upper semicircular shape that appears as an inverted or reversed white circle, typically rendered as a black or filled upper half above an empty lower half within a square bounding box. Part of the Geometric Shapes block, this character is often used in technical diagrams, data visualization, and user interface design to indicate partial states, progress indicators, or toggle elements, though it also serves as a visual placeholder in mathematical notation or as a stylistic element in typography and digital art.