The first pair, fourth pair, and fifth pair can be used to contrast the careers of writers and editors.
(this goes for the picture u have put in. if you need me to choose from the text you listed i can also do that) Hope that helped, if you don't understand, you can comment below and i'll edit it.
Answer:
Far
Explanation:
The text seems to indicate that all around the wreck is sand as far as the eye can see, hence boundless.