Final answer:
A prototype is the best representation of a concept, such as a trial working model that helps test design decisions and identify potential problems.
Step-by-step explanation:
A prototype is the best representation of a concept. It is a trial working model of a design that is built to test design decisions and identify potential problems. For example, when thinking of the concept of a dog, your prototype would be the best example or representation of a dog based on your early experiences with dogs.