A weekly structure is a set of 7 values, each specifying the hourly capacity of a day in the week.
The weekly structure is used in the calendar management.
The Manufacturing module must exist in the folder for this field to be available for entry.
Calendars are used for calculating the capacity of a work center.
A calendar can be common to multiple work centers or specific to an individual work centre. It is made up of a succession of periods linked to weekly schedules.