Tax Terms Glossary

Understanding tax terminology is essential for navigating the Big Beautiful Bill. This glossary provides clear explanations of key terms and concepts.

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A B C
D E F
G I O
Q S T

A

Adjusted Gross Income (AGI)
Your total income minus specific deductions (like QBI deduction) but before the standard or itemized deduction. This is a key figure used to determine eligibility for many tax benefits.

B

Big Beautiful Bill
The One Big Beautiful Bill Act (H.R.1), enacted federal legislation that provides significant tax relief through tip and overtime income exclusions, enhanced deductions, and improved credits.
Now Law

C

Child Tax Credit
A tax credit for qualifying children under 17. Under the Big Beautiful Bill, the credit is enhanced to $2,500 per child from 2025-2028, then $2,000 permanently.

D

Deduction
An amount that reduces your taxable income. The tax savings from a deduction depend on your tax bracket (marginal tax rate).

E

Effective Tax Rate
Your total tax divided by your total income, expressed as a percentage. This shows what percentage of your income goes to taxes.
Enhanced Deduction
Under the Big Beautiful Bill, standard deductions are enhanced beyond current law amounts. Seniors (65+) receive additional enhanced deductions.

F

Filing Status
Your tax filing category: Single, Married Filing Jointly, Married Filing Separately, Head of Household, or Qualifying Widow(er). This determines your tax brackets and standard deduction amount.

G

Gross Income
All income from all sources before any deductions or exclusions. Under the Big Beautiful Bill, tip and overtime income is excluded from gross income.

I

Income Exclusion
Income that is completely excluded from taxation. The Big Beautiful Bill provides two major exclusions:
  • Tip Income: All tips received by service workers
  • Overtime Income: All overtime compensation
Itemized Deductions
Specific deductions you can claim instead of the standard deduction, including state and local taxes (SALT), mortgage interest, charitable contributions, and medical expenses.

O

Overtime Income
Compensation for hours worked beyond 40 hours per week. Under the Big Beautiful Bill, this income is completely excluded from federal income tax.
Tax-Free

Q

QBI Deduction
Qualified Business Income deduction allows eligible taxpayers to deduct up to 20% of qualified business income from pass-through entities. The Big Beautiful Bill provides a 25% enhancement to this deduction.
Enhanced

S

SALT Deduction
State and Local Tax deduction allows you to deduct state and local income taxes, sales taxes, and property taxes. The Big Beautiful Bill increases the cap to $30,000.
Standard Deduction
A fixed deduction amount based on your filing status. Under the Big Beautiful Bill, standard deductions are enhanced beyond current law amounts.
Senior Enhanced Deduction
Additional deduction available to taxpayers age 65 and older under the Big Beautiful Bill, provided on top of the regular enhanced standard deduction.

T

Tax Credit
A dollar-for-dollar reduction in your tax liability. Credits are generally more valuable than deductions because they directly reduce the amount of tax you owe.
Taxable Income
Your income after all deductions and exclusions. This is the amount subject to income tax rates.
Tax Bracket
The rate at which your last dollar of income is taxed. The U.S. uses a progressive tax system with multiple brackets.
Tip Income
Gratuities received by service workers. Under the Big Beautiful Bill, all tip income is excluded from federal income tax.
Tax-Free
Big Beautiful Bill Highlights
  • Tip Income: Tax-free
  • Overtime: Tax-free
  • Child Credit: Enhanced
  • QBI Deduction: 25% enhancement
  • Senior Deduction: Additional benefits
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