What 🠐 means
It points left for direction or a way back.
In diagrams, it can mark a previous step. A 2011 Unicode proposal traced its design to c1left, a named position in the Wingdings 3 symbol font; Unicode encoding lets it travel as text without that font.
Its small equilateral head has three equal sides. A font without the glyph may show a box.
Don't confuse it with
2Questions people ask
1Why does 🠐 show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type 🠐
🠐\1F810Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

