U+1DA02 "𝨂" Signwriting Head Movement-Wallplane Tilt Unicode Character

U+1DA02 "𝨂" Signwriting Head Movement-Wallplane Tilt is a symbol within the SignWriting script system, used to represent a specific orientation and movement of the head in sign language notation. This particular glyph depicts the head tilted across the wallplane, which is the vertical plane parallel to the chest, indicating a sideward tilt of the head as distinct from a forward or backward motion. It functions as a precise visual marker for transcribing the non-manual facial and head gestures essential to the grammar and expression of signed languages, allowing writers to encode subtle positional shifts in signed communication.