port of call
port of call • n. a place where a ship stops on a voyage. ∎ any of a number of places that a person visits in succession: his last port of call that morning was Angela's lawyer | fig. if you're serious about spreadsheeting, then this package must be your first port of call.
"port of call." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (June 22, 2018). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/port-call
"port of call." The Oxford Pocket Dictionary of Current English. . Retrieved June 22, 2018 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/port-call