An informal drawing or message on a public wall or surface, often done without permission.
The old wall was covered in graffito from people passing by.
오래된 벽은 지나가는 사람들의 그래피티로 덮여 있었다.
Artwork made by scratching a design into a surface to show the layer underneath.
The graffito on the metal plate was created by scratching away the top layer.
금속판의 그래피티는 상층을 긁어내어 만들어졌습니다.