옷 [ot] looks like a stick figure, but it means clothes.

If you change the oval to a rectangle, it becomes 못 [mot], which means nail.

If you switch ㅅ to ㅁ, it becomes 몸 [mom], which means body.

And when you add two tiny sprouts on top of 몸, it becomes 봄 [bom], meaning spring season.