One of the challenges of is that prospective customers may not always know or be able to describe what they need and want, yet this is the tool commonly used for this purpose.

Marketing research.

Explanation:

Marketing research's purpose is to find the best distributive channels for a product. This means studying who and how they want to sell this product, the way to do this, where (through what media, for example), etc. This process involves linking the producers and the costumers through information used to identify and generate the best channel possible; which answers the needs of the customers that are mentioned in the exercise: describe what the customers need and want and find the way to best provide it with a product.

the answer is a quran

i believe your answer is mountains.