Omg u got me scared for a bit lol. Anyways, here you go
Explanation:
The four main types of serial killers based by the type of crime they commit are as follows: thrill seekers, mission-oriented, visionary killers, and power/control seekers.
This is an abstraction because Donna generalized a concept — reporting the title or price of a book — to apply to all types of books. Noticing repeated details or common features and removing them is a key element of abstraction.