Audience expectations are things the audience expect/predict to see, hear, or feel while watching a film.
For example, if you go to a horror movie, you expect to be scared or feel anxious. If the movie doesn't make you feel that way, you will get it a negative review.
When an important file is saved on two different computers, the name of the file that is housed on the second computer is 'back up'. Back up refers to the process of copying and archiving a particular computer data in order to have an extra copy to fall back on in the event of data loss. <span />
