About IDEOGRAPHIC DESCRIPTION CHARACTER SURROUND FROM UPPER RIGHT
Ideographic Description Character Surround From Upper Right (U+2FF9) is a Unicode other symbol from the Ideographic Description Characters block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class ON (other neutrals), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as ⿹ or ⿹.