Sluttanken

Could you clarify what Sluttanken refers to? Is it a person, place, organization, work (book, film, song), or a concept? With a bit more context, I can write a concise, neutral wiki-style article under 300 words. If you don’t have a specific reference in mind, I can also produce a generic article treating Sluttanken as a Icelandic/Norwegian term meaning “the final thought,” but I’d prefer your guidance to ensure accuracy.