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
☆☆ BUSINESSPERSON; BUSINESS OPERATOR Noun 事业者经营人，业主 người kinh doanh
☆ TRADER; DEALER; BUSINESS OPERATOR Noun 业者业主 nhà doanh nghiệp
☆ UNEMPLOYED PERSON; THE JOBLESS Noun 失业者失业者，失业人员 người thất nghiệp