Hangul syllable Gwaelh

It is one Korean syllable block made from three Hangul parts.

Here, ㄱ is the initial consonant, ㅙ the vowel, and ㅀ the final consonant cluster. Their Unicode jamo forms are ᄀ + ᅫ + ᆶ; jamo are the Hangul letters that combine to form syllables. Read an isolated 괧 as Korean text or as an example used to discuss Hangul, not as a reaction.

why was Hangul created?

Hangul was created so Korean could be written in its own script.

The Joseon dynasty's court records first mention Hangul in 1443. The 1446 Hunminjeongeum is a book explaining the script's principles and purpose.

Hangul spread through Buddhist and Confucian books, practical guides, private letters, and everyday labels. Its role grew from a literacy tool to everyday and official writing; it became an official national writing system in Korea in 1894. Phags-pa, a square script based on Tibetan, was introduced in 1269. Korean scholarship has proposed it as an influence on Hangul, but that connection remains a historical hypothesis.

how do I type 괧?

A Korean input method joins the syllable's parts as you type.

An input method editor (IME) reads keystrokes and combines Hangul letters into syllables. Enter the initial, vowel, and final cluster in order; the IME may use context to decide whether a consonant starts a syllable or closes the previous one.

Fonts can draw the same syllable differently. Hangul parts fit inside a square cell, and fonts vary their shape, size, and placement. An awkward rendering does not mean the character changed.