The phrase "major reforms" refers to significant changes or improvements made to a system, policy, process, or organization. These changes are usually substantial and have a significant impact on the way things are done. Full definition
The position will drive the implementation of major reforms in housing, infrastructure and employment in remote Indigenous communities. (humanrights.gov.au)
The continued need for major reform whether it's at the ballot box, on criminal justice issues, or reproductive health, reflects a failure of leadership at all levels. (readme.readmedia.com)