- Gift Amount looks at the gift amount for each gift.
- Total Amount (from Summary Information) looks at the total gift amount for the constituent.
For example, Jane has giving 5 gifts of $100 each. Joe has given one gift of $500.
Querying on Gifts, Gift Amount greater than or equal to $500 selects Joe but not Jane. They have both given $500, but Jane does not have an individual gift of $500 or more.
Querying on Summary Information, Summary for Gifts, Total Amount greater than or equal to $500 selects both Joe and Jane. They have both given a total of $500 or more.