What is a tax break?

[AmyW]

Tax breaks are a reduction in your taxes. To find out more about tax breaks, see the article in the link below:

https://turbotax.intuit.com/tax-tools/tax-tips/Taxes-101/What-Are-Tax-Breaks-/INF15147.html

[davidmiller8686]

So what does it mean I the email I got today 02/23/2018 saying tax break #23 issue,is there anything I need to do,and is this gonna effect my 2017 expected refund