the process of getting better
Use improvement in a sentence
You should always be looking to make any improvement you can to your product so that it will sell quicker.
While we expected to see improvement in our sales numbers this past year, we never expected them to triple within a single quarter.
With a bit of improvement, this company could be a place in which anyone would be proud to work; as everyone would know exactly what was expected of them, and be compensated accordingly.