Complex sentence: Gross collections indicates the total Federal tax revenue collected by the IRS from each U.S. state, the District of Columbia, and Puerto Rico and includes all individual and corporate income taxes, estate taxes, gift taxes, and excise taxes.
Split into simpler sentences: Gross collections indicates the total Federal tax revenue collected by the IRS from each U.S. state, the District of Columbia, and Puerto Rico. The figure includes all individual and corporate income taxes, estate taxes, gift taxes, and excise taxes.