Explanation:
Web content is the textual, visual, or aural content that is encountered as part of the user experience on websites. It may include—among other things—text, images, sounds, videos, and animations .
First one to third and second to forth
Since you have provided no options, the best I can do is to describe lithography and hope that it helps:
In the first step, an image is drawn on a stone, typically with wax or oil. Then ink is spread on the whole stone, but it will not stay on the parts with oil or wax, only on the other parts. Then paper is pressed against the stone, and an image appears, because the ink adheres to the paper- you can then make multiple copies of the image.
Shadow and light I think is the answer
