Answer:
A series of activities that transform inputs into products that customers value.
Explanation:
A product can be defined as any physical object or material that typically satisfy and meets the demands, needs or wants of customers. Some examples of a product are mobile phones, television, microphone, microwave oven, bread, pencil, freezer, beverages, soft drinks, etc.
The core benefit of a product can be defined as the basic (fundamental) wants or needs that is being satisfied, met and taken care of when a customer purchase a product.
Hence, the term that refers to the first level of a product, which depends on the customer value it generates is generally referred to as a core benefit. For example, a hotel provides a comfortable and convenient bed to spend the night (sleep) when you travel for a vacation.
On a related note, a value chain refers to the idea that a company is a series of activities that transform inputs into products that customers value.