Usages of wie
책상 위에 시계가 있어요.chaeksang wie sigyega isseoyo.
There is a clock on the desk.
노트를 책장 위에 두었어요.noteureul chaekjang wie dueosseoyo.
I put the notebook on the bookshelf.
Elon.io is an online learning platform
We have an entire course teaching Korean grammar and vocabulary.