Englishfor English speakers
precedence
—
noun
(= priority)
status established in order of importance or urgency
...its precedence as the world's leading manufacturer of pharmaceuticals
national independence takes priority over class struggle
—
noun
(= precession)
the act of preceding in time or order or rank (as in a ceremony)
—
noun
(= priority)
preceding in time
constraint
Noun
—
A constraint is a limit.
Perhaps the main constraint is lack of money.
Financial constraints have forced hospitals to treat more patients more rapidly.
In the Middle East, there are often tight constraints on women's activities.