I mean in this article "You are definitely the best at tennis" "and "you will be best at tennis", "select the guide you want the best or best" equally of them might have diverse meanings but "most" and Yet another adverb in a standalone sentence has a very distinct meaning. https://rafaelet642.bloggerchest.com/37924879/detailed-notes-on-best-kpop-karaoke-gangnam-퍼펙트가라오케