olemus
(1a) paremaks muutmine
(1b) paremaks tegev muudatus

ülevaateid
https://en.wikipedia.org/wiki/Improvement

näiteid
ISO 9000:
tegevus sooritusvõime tõstmiseks
= activity to enhance performance
https://en.wikipedia.org/wiki/Performance_improvement

ISO/IEC/IEEE 24765:
1. actions taken to improve the quality of the organization's processes aligned with the business needs and the needs of other concerned parties
2. result of activities that better the performance and maturity of the organization's processes
https://en.wikipedia.org/wiki/Memory_improvement

improvement actions -- täiustusmeetmed
improvement plan -- täiustuskava

vt ka
- pidev täiustamine