Consider the classic Coke bottle. Can you see it in your mind? The silhouette of that legendary shape. What is that shape? Is that the brand of Coke? Or is that the product? Whether pouring it over ice or drinking it from the bottle, you are experiencing both the brand and the product of Coke all at once.
The product development process is a multi-stage endeavor. Informed by customer research and marketing analysis, strong opportunities drive the first legs of the race to get a product onto shelves. When the project is handed off to development, it is in these stages that opportunities become designs, and designs become products.