An example of taxes you would enter here are taxes paid in 2021 for a balance due on your 2020 tax return.
The state taxes withheld on Form W-2 Wage and Tax Statement and entered within the Wages and Salaries topic in the Federal Quick Q&A Topics menu will automatically transfer to Schedule A (Form 1040) Itemized Deductions, Line 5, as an itemized deduction.
Note that any link in the information above is updated each year automatically and will take you to the most recent version of the document at the time it is accessed.