Tier
01
층, 단계
one of two or more layers one atop another
02
계층, 등급
any one of two or more competitors who tie one another
03
매듭, 묶는 도구
something that is used for tying
04
계층, 등급
a relative position or degree of value in a graded group
05
매는 사람, 묶는 사람
a worker who ties something



























