There are several report types available in Account. The report types generally select which accounts to show based on the Account's taxable/non-taxable setting, as well as whether it is an income or expense account.

Taxable Income - Total of Income accounts with the taxable setting checked.
Deductible Expenses - Total of Expense accounts with the taxable setting checked.
Taxable Income and Deductible Expenses - Total of Income accounts with the taxable setting checked minus the Total of Expense accounts with the taxable setting checked.

Non-Taxable Income - Total of Income accounts with the taxable setting unchecked.
Non-Deductible Expenses - Total of Expense accounts with the taxable setting unchecked.
Non-Taxable Income and Non-Deductible Expenses - Total of Income accounts with the taxable setting unchecked minus the Total of Expense accounts with the taxable setting unchecked.

All Income - Total of all Income accounts
All Expenses - Total of all Expense accounts
All Income and All Expenses - Total of all Income accounts minus Total of all Expense accounts

Specific Account Report - Report showing the total for any period on any account type.

All of the totals will be for the dates specified in the report.