__________ refers to the act of designing and producing the container or wrapper of a product.

Packaging

The correct answer is option (4) : Packaging

Packaging refers to the act of designing and producing the container or wrapper of a product. Packaging plays a very important role in the marketing success or failure of many products, particularly the consumer non-durable products

Lables are useful in providing detailed information about the product, its contents, method of use, etc

This process of giving a name or a sign or a symbol etc., to a product is called branding

Promotion: Promotion of products and services involves informing the customers about the firm's product, its features, etc., and persuading them to purchase these products. The four important methods of promotion include
advertising, Personal Selling, Publicity and Sales Promotion.