층

Meaning

1. 1.

   layer — One of several layers of different substances or objects stacked horizontally, or the state of things being stacked that way.

2. 2.

   story — An area of the same height inside a building that has been built in multiple stories.

3. 3.

   class — The people in a group who have a similar social status, wealth, level, interests, etc.

4. 4.

   floor — A unit used to count the area on the same floor of a building, numbered from bottom to the top.

   수량을 나타내는 말 뒤에 쓴다.