Chapter 18: Contract Law. Just as property law is concerned with creating legal rights, and tort law and criminal law with defending them, contract law and related legal fields are intended to provide for the orderly transfer of rights from one person or organization to another.
A picture, also called an image, is a group of coloured points on a flat surface that looks the same as something else. For example, a picture can look the same as an object or a person. Pictures can also be drawings, paintings or photographs. People who make such pictures are called artists, photographers or painters. Pictures are very helpful.
This last one is a photograph but if you see it as a drawing, you will see what makes it real is the small contrasts you have all around, and the subtle transitions you see also. It's a mix of different things but as I said at the beginning, the most important thing is to think in terms of lights and shadows and not in the actual object you see.