purview

This term carries a formal, administrative tone and is most frequently encountered in legal, governmental, or academic contexts. It describes a boundary of power or knowledge, suggesting a defined perimeter beyond which a person or entity has no right to act or no capacity to understand.

While it shares similarities with scope or jurisdiction, purview specifically emphasizes the limit of one's official mandate or intellectual reach. It is typically used in negative constructions, such as stating that something falls outside or is beyond the purview of a specific authority.