Using public institutions (59) Introducing (introducing family) (41) History (92) Family events (57) Social issues (67) Inviting and visiting (28) Life in the workplace (197) Dietary culture (104) Describing events, accidents, disasters (43) Purchasing goods (99) Hobbies (48) Describing location (70) Apologizing (7) Describing clothes (110) Introducing (introducing oneself) (52) Human relationships (52) Pop culture (82) Education (151) Travel (98) Using transportation (124) Social system (81) Science & technology (91) Housework (48) Life in Korea (16) Law (42) Language (160) Residential area (159) Directions (20) Making a phone call (15) Greeting (17)