Workforce Scheduling
Workforce scheduling is the process of matching staffing to demand across time, within a labour budget and whatever rules apply to your workforce. Every article on the subject agrees on that definition, lists the same components, and then moves to software. The part that decides whether a schedule works is quantitative, and three numbers do most of the work: Miss the second one and you will be understaffed by roughly a quarter every single week while your headcount looks correct on paper.