This is the 613th most frequent Norwegian word.
aftenposten
"Aftenposten" is Norwegian for "The Evening Post," the name of a newspaper in Norway.
Here, 'Aftenposten' is a proper noun and is used as the subject, referring again to the newspaper as the origin of the article.
Aftenposten hadde en interessant artikkel i går.
Aftenposten had an interesting article yesterday.
In this context, 'aftenposten' is used as a general noun phrase meaning 'the evening period,' showcasing its alternative, non-specific application.
På aftenposten var det stille og rolig.
During the evening, it was quiet and calm.
In this sentence, the word 'Aftenposten' is used as the proper noun referring to the Norwegian newspaper, indicating its identity.