The phrase "iterative improvements" means making small and gradual changes to something over time in order to make it better or more efficient. Full definition
The list of iterative improvements is long. (fortune.com)
Monitoring and revisiting those sources can provide an ongoing source of insight for iterative improvements as you implement tactics that are more thoughtful about consumer behaviors. (toprankblog.com)
Most gaming follow - ups are iterative improvements on a formula, but this one works to justify its existence by being a different game altogether. (pcgamesn.com)