Click on each of the five headings (After You've Filed Your Federal Taxes is the first one) at https://www.usa.gov/taxes. Write a two page summary of the information found in the links. In your summary, make sure you answer the following questions:
What are some ways to reduce your tax liability?
What are dependents and exemptions?
Who qualifies for free tax return preparation?
How do you get help if all of this seems overwhelming?