세계 - Wikiwand

Korean Wikipedia has an article on:

세계

Sino-Korean word from 世界 (“world”).

(SK Standard/Seoul) IPA^(key): [ˈsʰe̞(ː)ɡje̞] ~ [ˈsʰe̞(ː)ɡe̞]
- Audio: (file)
Phonetic hangul: [세(ː)계/세(ː)게]
- Though still prescribed in Standard Korean, most speakers in both Koreas no longer distinguish vowel length.

More information Romanizations, Revised Romanization? ...

Romanizations
Revised Romanization^?	segye
Revised Romanization (translit.)^?	segye
McCune–Reischauer^?	segye
Yale Romanization^?	sēykyey

South Gyeongsang (Busan) pitch accent: 세계의 / 세계에 / 세계까지
Syllables in red take high pitch. This word always takes high pitch only on the second syllable, and also heightens the subsequent suffixed syllable.

세계 • (segye) (hanja 世界)

the world, the Earth
세계에서 제일 큰 나무 ― segyeeseo jeil keun namu ― the biggest tree in the world
(tarot) The World (Tarot card)

Korean Wikipedia has an article on:

세계 (타로)

Wikipedia ^ko

세상(世上) (sesang) is "world" in the figurative sense of that word, while 세계(世界) (segye) is "world" in the more literal sense of the Earth.

세계