tt has concluded from your entries that you need to pay those estimates in order to avoid underpayment penalties when filing your 2020 return. evidently based on your 2019 withholdings, not enough will be withheld for 2020 to meet the required minimum payments. you have the option not to pay them and risk penalties or increase your withholdings to avoid having to pay estimates.
example for Federal to avoid penalties any of the following conditions must be met:
1) 2020 federal taxes less withholding is less than $1000.
2) 2020 withholding and timely paid estimates are 100% of 2019 tax (110% if 2019 adjusted gross income is over $150,000) when 90% of 2020 taxes are more than the 100/110% of 2019 taxes
3) 2020 withholding and timely estimated tax payments are greater than the smaller of 90% of 2020 taxes or 110%/110% of 2019 taxes.
here's a link to IRS 2210.
https://www.irs.gov/pub/irs-pdf/f2210.pdf
states are different.