0 the things that have happened to someone before you first see or read about that person in a film or story
He has several different names, it seems, and no back story to speak of.
It provides details on the characters' back story and how their design came to be.
So we had to look at the back story and tease out the important things and put them on screen.
Her back story is filled in as a mixture of narrative and dream sequences.
Many critics expressed a general approval, but questioned the unpleasant back story (which contrasted with the overall tone of the film).
The instruction manual also describes the past and present events of the game's back story.
Watch, this baby is going to have an interesting back story.
Finally, the reviewer felt that the amount of back story included in this episode was too much, and should have been spread across several episodes.
