text: what is the diffrent between picture and photo? when can i use these two words?   picture:     1. a visual representation or image painted, drawn, photographed, or otherwise rendered on a flat surface.    2. a visible image, especially one on a flat surface or screen: the picture reflected in the lake; focused the picture on the movie screen.    3.          1. a vivid or realistic verbal description: a shakespearean picture of guilt.          2. a vivid mental image.    4. a person or object bearing a marked resemblance to another: she's the picture of her mother.    5. a person, object, or scene that typifies or embodies an emotion, state of mind, or mood: your face was the very picture of horror.    6. the chief circumstances of an event or time; a situation.    7. a movie.    8. a tableau vivant.  photo:  an image, especially a positive print, recorded by a camera and reproduced on a photosensitive surface. eg."i photographed the scene of the accident"