Graphical representation of the Hangul Jamo Unicode block
Hangul Jamo (Korean: 한글 자모, Korean pronunciation:[ˈha̠ːnɡɯɭt͡ɕa̠mo̞]) is a Unicode block containing positional (choseong, jungseong, and jongseong) forms of the Hangul consonant and vowel clusters. While the Hangul Syllables Unicode block contains precomposed syllables used in standard modern Korean, the Hangul Jamo block can be used to compose arbitrary syllables dynamically, including those not included in the Hangul Syllables block.
2. ᄀ: Hangul jamo with a green background are modern-usage characters which can be converted into precomposed Hangul syllables under Unicode normalization form NFC. Hangul jamo with a white background are used for archaic Korean only, and there are no corresponding precomposed Hangul syllables. "Conjoining Jamo Behavior"(PDF). The Unicode Standard. March 2020.
History
The following Unicode-related documents record the purpose and process of defining specific characters in the Hangul Jamo block:
