U+1D9DF "𝧟" Signwriting Rotation-Floorplane Single Unicode Character

U+1D9DF "𝧟" Signwriting Rotation-Floorplane Single is a symbol from the SignWriting script, a writing system used to represent sign languages visually. This specific glyph indicates a rotation movement of the hand or arm in the floor plane, which means it rotates horizontally as if parallel to the ground, and it is a single rotation marker, applying to one movement or one hand. It belongs to the Sutton SignWriting block and helps transcribe the precise rotational dynamics of signed gestures, enabling detailed notation of how a signer’s hand orientation changes during communication.