Taxable Income: The portion of an individual's or business's income that is subject to income tax, calculated by subtracting allowable deductions and credits from the total income earned.
Tax Bracket: The range of taxable income that corresponds to a specific income tax rate, with higher income levels generally subject to higher tax rates.
Tax Deduction: An expense or contribution that can be subtracted from an individual's or business's taxable income, resulting in a lower tax liability.