1Improvement, betterment — making something better by identifying flaws or problems and raising the quality, condition, or method involved.
サービスの改善に向けてアンケートを実施した。
We conducted a survey to improve our service.
日々の小さな改善が、業績向上につながる。
Small daily improvements lead to better results.
改善案をチームで検討して、すぐに実行に移した。
The team discussed the improvement proposal and put it into action right away.
食生活を改善したら、体調がよくなった。
My health got better once I improved my eating habits.
2'Kaizen' — the Japanese business philosophy, originating in manufacturing, of continuous improvement through small, ongoing changes made on the ground. Often written in katakana as カイゼン.
工場ではカイゼン活動を全員で行っている。
At the factory, everyone takes part in kaizen activities.
カイゼンの基本は、小さな改善を地道に積み重ねることだ。
The basic idea of kaizen is to steadily accumulate small improvements.