Cutting off the bits on the sides of a picture that are boring, thus concentrating on the bits that are really important.
if you have big blue beautiful sky on your image above your head,everybody will look at that sky.crop image to eliminate sky and everybody will looking in your face
save it
The term is "spitting image" and dates back to 1901. It means an exact likeness or image.
Binary images, Indexed images, Grayscale images, True color images