large-scale housing and lifestyle development project
Refers to comprehensive urban or suburban development that includes housing, infrastructure, and community facilities, often planned as a single project.
この地域では大規模な面開発が進められている。
A large-scale comprehensive development project is underway in this area.
Compound of 面 (めん, 'area' or 'surface') and 開発 (かいはつ, 'development'). The exact historical derivation is uncertain; the term is used in urban planning contexts.