What 룮 means
룮 is the hangul syllable runh. 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
룮 is a single code point, U+B8EE. In HTML that is 룮, and in CSS \B8EE.
Questions people ask
1Why does 룮 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 룮
룮\B8EECodes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.
