Thanksgiving is a time to be with family and be grateful for the things we have and the people we are with.
Leaves of oranges, reds, browns, and yellows symbolize fall and Thanksgiving is in fall. When we picture Thanksgiving, there is usually these colors and piles of leaves. Leaves blowing could symbolize the cool, crisp air around this time. In a display, there could be leaves hung from the ceiling and there could be piles of leaves and trees without leaves.
Family is a big part of Thanksgiving; this is the time to be with them and give thanks for the people who surround you. In a display, there can be a dining table with chairs to represent family and togetherness.
Turkey is one of the staple foods eaten at Thanksgiving dinners. There is almost always a turkey at Thanksgiving. When somebody thinks turkey, he or she thinks of the holiday. There could be a stuffed turkey sitting somewhere in a window display.