Ambit:
The ambit of something is its range or extent.
(American)
- a circuit or circumference
- the limits or scope; bounds [Collins Dictionary]
Noted in “May the government restrict political T-shirts and pins inside polling places?” Eugene Volokh, The Volokh Conspiracy:
Another question is whether the policy, though facially viewpoint-neutral, will be so vague that it is likely to be implemented in discriminatory ways. As the challengers’ petition argued, the law “often requires election officials to rely on their own subjective judgments about whether certain apparel falls within the ambit of the law’s ban on ‘political’ speech.”
Incidentally, this is an appeal of a Minnesota case.