This is the 2327th most frequent Swedish word.
böckerna
"The books."
Here, 'böckerna' is used as the definite plural form of 'bok', meaning 'books', indicating specific books previously mentioned or understood from context.
Böckerna som jag läste var mycket intressanta.
The books that I read were very interesting.
In this sentence, 'böckerna' is used to specify particular books located on the shelf, emphasizing the set of books involved in the action.
Jag har organiserat alla böckerna på hyllan.
I have organized all the books on the shelf.
Here, 'böckerna' refers to the particular books purchased, contextualizing them in relation to their purpose for study.