"Merchandise" means any item of tangible personal property.
"Merchant" means an owner or operator of any retail mercantile establishment and includes but is not limited to any corporation, including parent, subsidiaries and sister companies, partnerships, sole proprietorship, or any other form of business entity.
"Retail mercantile establishment" means any place, including Internet web sites, where merchandise is sold or offered for sale at retail to persons who are members of a merchant's shoppers club.
"Shoppers club" means a membership in a discount buying program in which the purchaser is given a reduction in the price of the merchandise by displaying a card that, when used with an electronic scanning device or sales recording device at the time of the purchase of the merchandise, displays the discount price of the merchandise.
815 ILCS 505/2JJ