noun
mass-market segment; main range; largest group
Wasei-eigo from 'volume zone'. Used in business and marketing to refer to the largest or most common segment of a market, price range, age group, etc.
wasei-eigo (Japanese-coined English), from volume zone
この商品はボリュームゾーンを狙っています。
This product targets the mass-market segment.
ボリュームゾーンの価格帯は3000円から5000
The main price range is from 3,000 to 5,000 yen.