The architecture of a chorus
Launch library · evergreen read

A chorus functions as a song's emotional peak, the one section everything else in the arrangement is quietly built to reach, and melodically it usually sits higher or louder than the surrounding verses, giving the listener a clear, unmistakable sense of arrival the moment it finally opens up and takes over the track.
Lyrically, choruses tend to favour clarity over fine detail, stating a song's central idea plainly enough that it can be repeated again and again without ever losing its impact, while the finer, more particular specifics are generally left to live inside the verses, where the chorus itself is left free to simply carry the feeling.
Good chorus writing also plans its exit as carefully as its entrance, since how a chorus resolves, whether it settles comfortably or leaves a question hanging unanswered in the air, shapes exactly how eager a listener becomes to hear the next verse arrive and carry the story a little further forward.