na-adjective, noun which may take the genitive case particle 'no'
wide-ranging; extensive; comprehensive; widespread
Describes a broad range, scope, area, or influence. Common in written or semi-formal contexts, especially in phrases like 広範な知識 and 広範にわたる.
He has extensive knowledge ranging from law to economics.
地震の影響は広範に及んだ。
The effects of the earthquake were widespread.
He has extensive knowledge.
The policy had a wide-ranging impact on the economy.
Research is being carried out across a wide range of fields.
広範 describes the wide scope or extent of something (like an area or influence), whereas 多方面 highlights the variety of distinct fields or directions involved.
広範 highlights the breadth or extent of something's coverage, while 多岐 highlights the number of distinct branches or directions it takes.