최고the highest; top 고등학교high school 고등학생high school student; high schooler 최고가the highest price; top price 최고급the highest grade; top-level 고교high school 고급high quality; high grade 고급반class for advanced learners; the highest-level class 고급품high-end product 고급화enhancement

차례procedure; process 순차turn 연차the order of age; the order of number of years 일차being the first; being primary 절차procedure 점차being gradual 점차gradually 차cha 차례차례one at a time 차례차례one at a time

기원origin; beginning 단원chapter; unit 차원level 환원return; giving back; restoration 환원주의reductionism 고차원적being high-level; being high-dimensional 고차원적high-level; high-dimensional 기원전B.C. 기원후A.D. 다원론pluralism