Personas

The persona method has developed from being a method for IT system development to being used in many other contexts, including development of products, marketing, planning of communication, and service design. Despite the fact that the method has existed since the late 1990s, there is still no clear definition of what the method encompasses. Common understanding is that the persona is a description of a fictitious person, but whether this description is based on assumptions or data is not clear, and opinions also differ on what the persona description should cover.

https://www.interaction-design.org/literature/book/the-encyclopedia-of-human-computer-interaction-2nd-ed/personas#toc_5_2?utm_source=facebook&utm_medium=sm&utm_content=user_personas_in_stories_scenarios&utm_campaign=post