The phrase "boring parts" refers to the dull or uninteresting sections of something, like a book, movie, or activity, that do not capture our attention or excite us. Full definition
TV Shows almost never show the most boring part of police work: the waiting. (decider.com)
Though it is necessary, it is one of the most boring parts of the job. (thoughtco.com)
Businesses would also bear part of the tax burden through a proposed 15 per cent increase in development charges and an average 25 cents per day off - street parking levy. (canadianbusiness.com)