A fundamental change, reform, or transformation of systems, organizations, or ways of thinking; often implies substantial or revolutionary change.
企業の競争力を高めるために組織の変革が必要だ。
Organizational transformation is necessary to enhance the company's competitiveness.
あの国は政治体制の大きな変革を経験した。
That country underwent a major political transformation.
技術革新とともに社会の変革も進んだ。
Along with technological innovation, social transformation also progressed.