This character is a Other Letter and is mainly used in the Hangul script. The character is also known as K.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+110F forms a Korean syllable block with similar characters, which prevents a line break inside it. The glyph can be confused with 11 other glyphs.
The Wikipedia has the following information about this codepoint:
Kieuk (character: ㅋ; Korean: 키읔, romanized: kieuk) is a consonant of the Korean hangul alphabet. The Unicode for ㅋ is U+314B. It is pronounced aspirated, as [kʰ] at the beginning of a syllable and as [k] at the end of a syllable. For example: 코 ko ("nose") is pronounced [kho], while 부엌 bueok ("kitchen") is pronounced [puʌk].