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
☆☆☆ DIALOGUE; CONVERSATION; TALK Noun 对话聊天，对话 sự đối thoại, cuộc đối thoại
☆ MAXIMIZATION Noun 极大化极大化，最大化 sự cực đại hóa