Sis forStreak (shape)
A streak is a long, narrow band of something. A streak might be a dirty mark, a patch of color, or even a cloud formation.
Sis forStretch mark
Strips are long, thin pieces of something. The picture is of some torn strips of paper. You can also use the word strip to describe a group of things arranged in a long, narrow way, such as a strip of shops, or shopping strip.
Strip also means to remove something from. You might strip off your clothes, or strip the plastic covering off some electrical cables.





















