Below is an explanation of common phrases used in couponing
B1G1 - Buy one get one free
$1/1 - $1.00 off 1 item
$2/3 - $2.00 off 3 items (ex. $2.00 off 3 boxes of cereal)
Manufacturer Coupon (MFQ) - A coupon good at any store that accepts coupons
Store Coupon - A coupon specific to one store
Stacking - Using a Manufacturer coupon and a store coupon for the same item
Coupon Policy - Each store will have a coupon policy and each one is different. It is important to check and understand each stores policy.