noun
area of influence; zone of impact; extent of effect
Refers to the geographical, organizational, or abstract scope within which something has an effect. Common in business, IT, and disaster contexts.
このシステム変更の影響範囲を事前に調査する必要がある。
We need to investigate the extent of impact of this system change in advance.
台風の影響範囲は広範囲に及んだ。
The area affected by the typhoon extended over a wide region.
Compound of 影響 (influence) and 範囲 (range, scope).