That number is a summary number, which summarizes ALL of the taxes you have paid either directly or through withholdings on Forms such as W2s, 1099s, etc. It also includes federal, state, and local taxes. Its provided for your reference and knowledge.
If you click the Start button next to the Other Income Tax section in Deductions and Credits and then click the blue link "Where does the other income taxes amount come from?" you can get an exact breakdown for your return. See screenshot below.
But, for example, that number would include both of your Federal and state withholdings. It can also include local taxes, refunds applied to this years taxes from a prior year, balances due from prior years that were paid in this year, and payments made with any extension you might file.