G
Generation Skipping Transfer (GST) Tax
Sometimes called the "Grandparent Tax", the GST tax is a special tax on the transfer of an estate to your grandchildren, to another relative more than one generation removed from you, or to a non-relative who is more than 37 and 1/2 years younger than you. The GST tax is paid in addition to any applicable gift or estate taxes.
Gift Tax
A special tax paid by the giver of a gift (of money or property) worth more than a certain amount ($13,000 in 2010). Some transfers of money are exempted from the gift tax, such a gift to a spouse or a gift used to pay medical or educational expenses.
Gross Income
The total amount of income you must report on your tax return. Your income before applying adjustments, exemptions, credits, and deductions.