What ② means
It marks item two in a list. The circled 2 keeps numbering compact when list styling is unavailable.
Parenthesized forms echoed typewriter conventions for circled list labels. Unicode treats ② as equivalent to a comparable circled two from ITC Zapf Dingbats, a symbol font.
Use the circled form when the marker itself matters; plain 2 fits more fonts.
Font fallback may show a box or mismatched glyph.
Don't confuse it with
2Questions people ask
1Why does ② 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 ②
②\2461Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.
