infrastructure; basic structure; foundation
Refers to the fundamental physical or organizational structures needed for a system or society to function, such as roads, bridges, and utilities.
The government plans to develop transportation infrastructure.
A common abbreviation of インフラストラクチャー, used more casually and often in business or news contexts. 基礎構造 is a more formal, Sino-Japanese term.
Compound of 基礎 (foundation, basis) and 構造 (structure).