About UPPER LEFT OR LOWER RIGHT CURLY BRACKET SECTION
Upper Left Or Lower Right Curly Bracket Section (U+23B0) is a Unicode math symbol from the Miscellaneous Technical 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 ⎰.