The AAFES Exchange Channel makes use of several different attributes for item name and item descriptions and they can be a little tricky to get right.
Here's a quick list along with their requirements:
Product Description
Internal PIM item title
100 character limit
Display Name
Consumer facing and online item title
Introduction Short Description
The first description the customer will see
It should include the most important selling information about the product.
254 characters limit
Short Description
This description prints on the register receipt tape.
20 character limit
Product Overview Long Description
Marketing copy