At intervals the presidents from the 5 corps have a chilly official intercourse with each other, but very little further. simply call - a visit within an official or professional capability; "the pastor's calls on his parishioners"; "the salesman's simply call on a purchaser" Britannica Dictionary definition of OFFICIAL one https://canthcacauseahigh89998.izrablog.com/40005900/5-essential-elements-for-official-website