What 쌮 means
쌮 is the hangul syllable ssaep. Unicode classifies it as a letter and files it in the Hangul Syllables block; this site shelves it under Chinese, Japanese & Korean.
Its appearance depends on the font and text styling.
How it is encoded
쌮 is a single code point, U+C32E. In HTML that is 쌮, and in CSS \C32E.
Questions people ask
1Why does 쌮 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 쌮
쌮\C32ECodes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.
