noun
the whole area; the entire region; all parts (of)
Refers to the entirety of a geographical area, building, or physical space. Often used in news reports and formal descriptions.
台風の影響は県の全域に及んだ。
The typhoon's effects extended across the entire prefecture.
この建物の全
Wi-Fi is available throughout this building.
noun
the whole field (of study); every field; the whole gamut
Used for academic disciplines, professional domains, or a comprehensive range of topics. Slightly more abstract than sense 1.
彼の研究は医学の全域にわたっている。
His research spans the entire field of medicine.
この百科事典は科学の全域をカバーしている。
This encyclopedia covers the whole gamut of science.