Answer:
Answer to the following question is user manual, end user.
Explanation:
User manual is referred to, as the user documentation which is provided to the customers or the buyers once they can buy a services or a products.
In computer technology, User Manual contain all the necessary information for users by which they make the full use of an information system.
End-user is a person who use the product or a piece of the software.
Another functional role can be approximate that how this product works and the end-user who is working with the products on the regular basis for accomplish the real-world task and often provides the best views of how well that product perform.
