This is the 635th most frequent Swedish word.
därefter
"After that" or "thereafter."
Here, 'därefter' is used to indicate an action following another in time: first lunch, then the walk.
Vi åt lunch och därefter gick vi en promenad.
We had lunch, and thereafter, we went for a walk.
This usage of 'därefter' introduces the next step or action of a process.
Därefter måste du fylla i formuläret noggrant.
Thereafter, you must fill out the form carefully.
In this sentence, 'därefter' specifies the sequence of actions: reading followed by building.