1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Core Words Familarize yourself with the 'core words'.
Compounds Expand your vocabulary by studying more complex words built by the 'core words'.
Wordsense Learn about the wordsenses of the english term.

ETYMOLOGY

KOREAN 3.0 Eng Wordtype Etym. Gb Vie
☆☆ REALIZE; PERCEIVE; UNDERSTAND Verb 领悟，领会 nhận biết, ngộ ra
☆ MASTERING; LEARNING Noun 摅得领悟，领会 sự hiểu ra, sự nắm bắt